The total distance traveled was 19 miles and the total time was 3/10 of an hour
The formula for calculating the average rate is distance divided by time, or D/T. In this problem, Jamel traveled 19 miles in a total time of 1/2 + 1/5 = 3/10 of an hour. Using the formula, the average rate can be calculated as 19/3/10 = 19/3 x 10/3 = 190/3 = 63.3 mph. Therefore, Jamel's average rate for the trip was 63.3 mph.
To explain further, when solving a problem involving average rate, it is important to remember the formula D/T. This means that the total distance traveled is divided by the total time. In this problem, the total distance traveled was 19 miles and the total time was 3/10 of an hour. To calculate the average rate, the total distance (19 miles) was divided by the total time (3/10 of an hour). This yielded a result of 190/3, which was further simplified to 63.3 mph. This was the average rate for Jamel's trip.
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Because of the magnetic field, magnets do have to touch to affect each other. true or false
Answer: True
Step-by-step explanation: Magnets do not have to touch, but their fields repel or attract other magnets without actual physical touch.
If angle eight is 30°, what is the measurement of angle 5
The measurement of angle 5 is given as follows:
m < 5 = 150º.
How to obtain the measurement of angle 5?In this problem, we have that two parallel lines are cut by a transversal line.
Angles 5 and 8 are on the same position relative to the transversal line, separated by one of the parallel lines, hence they form a linear pair, meaning that they are supplementary.
Supplementary angles have the sum of their measures with a result of 180º, hence the measurement of angle 5 is obtained as follows:
m < 5 + 30º = 180º
m < 5 = 150º.
Missing Information
The diagram is given by the image presented at the end of the answer.
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Based on past experience, a bank believes that 8% of the people who receive loans will make payments on time. The bank has recently approved 600 loans. Describe the sampling distribution model of the proportion of clients in this group who may not make timely payments.A. There is not enough information to describe the distributionB. mean = 92%; standard deviation = 0.3%C. mean = 92%; standard deviation = 1.1%D. mean = 8%; standard deviation = 0.3%E. mean = 8%; standard deviation = 1.1%
The sampling distribution model for figuring out how many people in this group might not pay on time is:
E. mean = 8%; standard deviation = 1.1%.
Sampling Distribution Model MeanThe steps to determine the mean and standard deviation of the sampling distribution of the proportion of clients who may not make timely payments would be:
Start with the idea that 8% of the loans will have payments that are late. So the percentage of people who pay late is p = 0.08.
Calculate the sample size, which is given as n = 600.
Determine the mean of the sampling distribution. The mean of the sampling distribution of the proportion of late payments is equal to the population proportion, which is 0.08.
Find the standard deviation of the distribution of the samples. The standard deviation is discovered by taking the square root of the commodity of the sample size and the percentage of late payments in the whole population (1 - percentage of late payments in the whole population) and dividing it by the sample size:
σ = √( (p * (1-p)) / n )
Substituting the values for p and n, we get:σ = √( (0.08 * 0.92) / 600 ) ≈ 0.011
So the standard deviation of the sampling distribution is approximately 0.011, or 1.1%.So, the answer will be option E. mean = 8%; standard deviation = 1.1%.
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find the volume of the bead when =1 and =6.
The volume of the bead when r = 1 and h = 6 is approximately 4.19 cubic centimeters.
The volume of a bead is a measure of the amount of space it occupies. In mathematics, we often use the formula for the volume of a sphere to calculate the volume of a bead.
In this case, the bead has two parameters: the radius (r) and the height (h). The radius determines the size of the bead while the height determines the length of the cylinder that makes up the bead.
When r = 1 and h = 6, we can substitute these values into the formula for the volume of a sphere to find the volume of the bead:
=> V = (4/3) * π * r³
=> V = (4/3) * π * 1³
=> V = 4.19 cm³
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f x is a positive real number, then log(xˣ) = if x is a positive real number, then log(xˣ) = x · log(x) x log(x) log(x) · log(x) log(x)
The correct answer is log(x^(x)) = x * log(x).
The logarithmic rule states that log(a^b) = b * log(a).
So, let's apply this rule to log(x^(x)):
log(x^(x)) = x * log(x)
On the right side of the equation, x represents the exponent and log(x) represents the base.
This equation states that the logarithm of x raised to the power of x is equal to x times the logarithm of x.
Now let's simplify the other options:
x * log(x) is already simplified from the equation above, so we don't need to change it.
log(x) * log(x) is simply the logarithm of x raised to the power of 2, which is not equal to the logarithm of x raised to the power of x.
log(x) is the logarithm of x with a base of 10, and log(x) log(x) does not have a valid mathematical interpretation.
Therefore, the correct answer is log(x^(x)) = x * log(x).
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Find the value of for which the area encloed by the curve =−^2 and =^2− i equal to 56
The value of i is -56/a, Since the value of a is unknown, we cannot determine the exact value of i.
The area enclosed by the curve y = -x² and y = x² - i is the difference of the areas between these two curves.
To find the area enclosed by the curve y = x², we need to find its definite integral with respect to x from -∞ to ∞.
The definite integral of y = x² with respect to x from -∞ to ∞ is:
∫[-∞,∞] x² dx = (x³/3) from -∞ to ∞
Since the definite integral of an infinite function from -∞ to ∞ is undefined, we cannot find the exact value of the area enclosed by the curve y = x².
However, we can use the definite integral of y = x² - i with respect to x from -∞ to ∞ to find the area enclosed by the curve y = x² - i:
∫[-∞,∞] (x² - i) dx = (x³/3 - i * x) from -∞ to ∞
Again, the definite integral of an infinite function from -∞ to ∞ is undefined, so we cannot find the exact value of the area enclosed by the curve y = x² - i.
Since the area enclosed by the curve y = -x² is the same as the area enclosed by the curve y = x² but with the opposite sign, the difference of the areas enclosed by the two curves is equal to 56:
Area enclosed by y = x² - i - Area enclosed by y = -x² = 56
The first equation, y = -x^2, is a parabola that opens downwards.
The second equation, y = x^2 - i, is also a parabola but is translated downward by i units.
The area enclosed by the two curves will be the difference between the area under y = -x^2 and the area under y = x^2 - i.
The area under y = -x^2 can be calculated as follows:
A = ∫[-a,a] -x^2 dx = -(1/3) x^3 |^a_-a = (1/3) a^3
Where a is the x-value at which the two curves intersect.
The area under y = x^2 - i can be calculated as follows:
B = ∫[-a,a] (x^2 - i) dx = (1/3) x^3 - i x |^a_-a = (1/3) a^3 - i a
The area enclosed by the two curves is then given by:
C = B - A = (1/3) a^3 - i a - (1/3) a^3 = -i a
Since we know that the area enclosed by the curves is 56, we can set up the equation:
-i a = 56
So,
i = -56/a
Since a value is unknown, we cannot determine the exact value of i. However, we can use this equation to find the value of i for different values of a.
Therefore, The value of i is -56/a, Since the value of a is unknown, we cannot determine the exact value of i.
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QUESTION CORRECTION: Find the value of i for which the area enclosed by the curve =−x² and =x²− i equal to 56.
The value of i is -56/a, Since the value of a is unknown, we cannot determine the exact value of i.
The area enclosed by the curve y = -x² and y = x² - i is the difference of the areas between these two curves.
To find the area enclosed by the curve y = x², we need to find its definite integral with respect to x from -∞ to ∞.
The definite integral of y = x² with respect to x from -∞ to ∞ is:
∫[-∞,∞] x² dx = (x³/3) from -∞ to ∞
Since the definite integral of an infinite function from -∞ to ∞ is undefined, we cannot find the exact value of the area enclosed by the curve y = x².
However, we can use the definite integral of y = x² - i with respect to x from -∞ to ∞ to find the area enclosed by the curve y = x² - i:
∫[-∞,∞] (x² - i) dx = (x³/3 - i * x) from -∞ to ∞
Again, the definite integral of an infinite function from -∞ to ∞ is undefined, so we cannot find the exact value of the area enclosed by the curve y = x² - i.
Since the area enclosed by the curve y = -x² is the same as the area enclosed by the curve y = x² but with the opposite sign, the difference of the areas enclosed by the two curves is equal to 56:
Area enclosed by y = x² - i - Area enclosed by y = -x² = 56
The first equation, y = -x^2, is a parabola that opens downwards.
The second equation, y = x² - i, is also a parabola but is translated downward by i units.
The area enclosed by the two curves will be the difference between the area under y = -x^2 and the area under y = x² - i.
The area under y = -x^2 can be calculated as follows:
A = ∫[-a,a] -x²dx = -(1/3) x³ |^a_-a = (1/3) a³
Where a is the x-value at which the two curves intersect.
The area under y = x^2 - i can be calculated as follows:
B = ∫[-a,a] (x² - i) dx = (1/3) x³ - i x |^a_-a = (1/3) a³ - i a
The area enclosed by the two curves is then given by:
C = B - A = (1/3) a³ - i a - (1/3) a³ = -i a
Since we know that the area enclosed by the curves is 56, we can set up the equation:
-i × a = 56
So,
i = -56/a
Since a value is unknown, we cannot determine the exact value of i. However, we can use this equation to find the value of i for different values of a.
Therefore, The value of i is -56/a, Since the value of a is unknown, we cannot determine the exact value of i.
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QUESTION CORRECTION: Find the value of i for which the area enclosed by the curve =−x² and =x²− i equal to 56.
gamblers often throw dice gently for low numbers and hard for high numbers. this most directly illustrates
This behavior most directly illustrates the concept of superstition in gambling. Gamblers may believe that throwing the dice a certain way will influence the outcome and affect the results they desire.
This is a common belief among gamblers, despite there being no scientific evidence to support it. In reality, the way the dice are thrown has no impact on the outcome, as the result is determined purely by chance and the laws of physics.
Nevertheless, the belief in superstition is widespread in gambling and can influence behavior and decision making.
Gamblers often pitch the dice gently for low numbers and hard for high numbers. This most directly adorned an illusion of control Regression towards the mean refers to the tendency for unusual events to be followed by more ordinary events.
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Discussion topic
Solving quadratic equations is one of the main topics of this unit. Some quadratic equations can be solved with only one method, some can be solved with multiple methods, and some can't be solved at all. Think about a lask in your daily life that can be accomplished in a variety of ways. How do you decide the best course of action for accomplishing that task? How is this process like choosing a method for solving a quadratic equation that can be solved in multiple ways?
Factoring, utilizing square roots, completing the square, and the quadratic formula are the four ways to solve a quadratic equations.
What is Quadratic Equation ?An algebraic equation of the second degree in x is a quadratic equation. The quadratic equation is written as ax² + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term. First, there must be a term other than zero in the coefficient of x² (a ≠ 0) for an equation to be a quadratic equation. The x² term is written first when constructing a quadratic equation in standard form, then the x term, and finally the constant term. The numerical values of a, b, and c are often expressed as integral values rather than fractions or decimals.
Factoring, utilizing square roots, completing the square, and the quadratic formula are the four ways to solve a quadratic problem.
To factor an equation with quadratic terms:
Convert the equation to standard form with a zero on one side.Factor the non-zero sideReset each component to zero (Remember: a product of factors is zero if and only if one or more of the factors is zero).Solve each of the ensuing equations.To learn more about Quadratic Equation refer to :
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Consider the initial value problem dy/dt = }t|+y, y(0)=0.
what does the fundamental existence theorem guarantee about this problem?
what does the fundamental uniqueness theorem guarantee about this problem?
Consider the initial value problem dy/dt = 2t+|y|, y(0)=0.
what does the fundamental existence theorem guarantee about this problem?
what does the fundamental uniqueness theorem guarantee about this problem?
The fundamental existence theorem guarantees that for the initial value problem dy/dt = f(t,y), y(t0)=y0, where f is a continuous function on a region containing the point (t0, y0), there exists a unique solution y(t) defined on some interval containing t0.
The fundamental uniqueness theorem guarantees that if two solutions to the initial value problem exist, they must be equal on the intersection of their domains of definition.
What do they guarantee?For the first initial value problem: dy/dt = |t| + y, y(0) = 0, the fundamental existence theorem guarantees that there exists a unique solution to the problem in some interval containing t = 0.
For the second initial value problem: dy/dt = 2t + |y|, y(0) = 0, the fundamental existence theorem guarantees that there exists a unique solution to the problem in some interval containing t = 0.
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How to calculate inches to yards?
The conversion of inches to yards is an important calculation in the field of measurement, especially in the United States where both units are widely used. To convert inches to yards, you must divide the number of inches by 36. This is because there are 36 inches in a yard.
How to calculate inches to yards?For example, if you have 120 inches, divide 120 by 36 to get 3.33 yards. That means 120 inches is equivalent to 3.33 yards.It's important to note that the conversion factor of 36 is a constant and remains the same regardless of the number of inches being converted. This means that you can use the same calculation to convert any number of inches to yards.To convert a large number of inches, you can use a calculator or a spreadsheet program, or you can perform the calculation by hand with a pen and paper. When performing the calculation by hand, it's helpful to have a good understanding of basic arithmetic, such as division and multiplication, to ensure an accurate result.In conclusion, the conversion of inches to yards is a simple calculation that can be done quickly and easily. Whether you're working in construction, design, or another field, understanding how to convert inches to yards can be useful in many everyday situations.To learn more about inches to yard refer:
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Find the first four terms and the 100th term of the sequence whose nth term is given. an = n2 - 3
ai = a2 = a3 =
a4 =
a100 =
The first four terms and the hundredth term of the sequence whose nth term is given as an=n^2-3 are -2, 1, 6, 13, and 9997, respectively.
What is expression?An expression or mathematical expression is a finite collection of symbols that is well-formed according to context-dependent norms. In mathematics, an expression is a phrase that has at least two numbers or variables and at least one arithmetic operation. Addition, subtraction, multiplication, or division are all examples of math operations. An expression's structure is as follows: (Number/variable, Math Operator, Number/variable) is the expression. A number, a variable, or a combination of numbers, variables, and operation symbols constitutes an expression. An equation consists of two expressions joined by an equal sign. Example of a word: the sum of 8 and 3. Example of a word: The sum of 8 and 3 equals 11. 8 + 3 is an expression.
Here,
aₙ=n²-3
a₁=-2
a₂=1
a₃=6
a₄=13
a₁₀₀=100²-3
=9997
The first four terms and the 100th term of the sequence whose nth term is given as an=n^2-3 is -2, 1, 6, 13 and 9997.
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Select the equivalent expression (3^3 x 6^6)^-3 Choose 1 answer:
Answer:
5x10^-19/x^3
Step-by-step explanation:
I'll give brainliest to correct answer!!
The student made the following mistake: The use of operator "+" in binomial (x - 4) instead of "-" when factoring the quadratic equation x² - 3 · x - 4.
How to factor a quadratic equation by algebra properties
In this problem we find the case of a quadratic equation that must factorized by algebra properties. We present the complete procedure to show what mistake the student did. First, write the original expression:
x² - 3 · x - 4
Second, use definition of addition, associative and distributive properties:
x² - 4 · x + x - 4
Third, use conmutative property:
x² + x - 4 · x - 4
Fourth, use distribute property:
x · (x + 1) - 4 · (x + 1)
Fifth, apply commutative and distributive properties:
(x - 4) · (x + 1)
Sixth, use commutative property:
(x + 1) · (x - 4)
The student wrote the operator "+" instead of "-" in binomial (x - 4) of the quadratic equation x² - 3 · x - 4.
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An equivalent fraction for 6/8 is..?
12/16
explanation: i did the math
The chief chemist for a major oil and gasoline production company claims that the regular unleaded gasoline produced by the company contains on average 4 ounces of a certain ingredient. The chemist further states that the distribution of this ingredient per gallon of regular unleaded gasoline is normal and has a standard deviation of 1. 2 ounces. What is the probability of finding an average in excess of 4. 3 ounces of this ingredient from 100 randomly inspected 1-gallon samples of regular unleaded gasoline?
The probability of finding an average in excess of 4. 3 ounces of this ingredient from 100 randomly inspected 1-gallon samples of regular unleaded gasoline is approximately 0.7972.
We may use the normal distribution and the Z-score to determine the likelihood that 100 randomly selected 1-gallon samples of standard unleaded gasoline will have an average of more than 4.3 ounces of the component. A value's Z-score indicates how many standard deviations away from the mean it is.
We must first get the average of 100 randomly chosen samples' mean and standard deviation. The average's mean will be 4 ounces, which is also the mean of the individual samples. The sample size is divided by the square root of the standard deviation to get the average standard deviation, which is 1.2/100 = 0.12 ounces.
Next, we calculate the Z-score for the value of 4.3 ounces:
Z = (4.3 - 4) / 0.12 = 0.83
Finally, we use a Z-score table or a normal distribution calculator to find the probability of finding an average in excess of 4.3 ounces. The result will be the area under the standard normal distribution curve to the right of 0.83.
There is a 79.72% chance of finding an average in excess of 4.3 ounces of the ingredient from 100 randomly inspected 1-gallon samples of regular unleaded gasoline.
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Shown below are three separate pairs of point chargés, pairs A, B, and C. Assume the
pairs interact only with each other. Rank the magnitudes of the force between the
pairs, from largest to smallest.
-49
A of
+3q
B +
C
+2q
O A, B, C
O C, A, B
O C, B, A
O B, A, C
x/2
-2q
+2q
➜
+3q
1 pts
S
Answer:So the the force between the 3rd pair of charges is maximum.Then the force between 2nd pair of charges will come.The least force is between the 1st pair of charges.
Step-by-step explanation:
STEP 1:
In the 1st pair the charges are,
The distance between them is “x”.
The force between them according to coulomb’s law will be,
The minus sign indicates the force is attractive.
The magnitude is .
STEP 2:
For the 2nd pair of charges,
The distance between them is “x”.
The force between them according to coulomb’s law will be,
The magnitude is .
STEP 3:-
For the 2nd pair of charges,
The distance between them is “x/2”.
The force between them according to coulomb’s law will be,
The magnitude is .
CONCLUSION:
So the the force between the 3rd pair of charges is maximum.Then the force between 2nd pair of charges will come.The least force is between the 1st pair of charges.Sara's credit card balance information for last month is shown in the table below. Her finance charge is based on her average daily balance. What was her average daily balance for this month? Round to the nearest penny.
The average daily balance for this month will be $1,026.45.
What is the average daily balance?Your charge card's average daily balance is calculated by dividing the total balance on your card at the conclusion of each day by the length of time in a billing cycle, which can range from 28 to 31 days depending on the month. You can total the following to find your daily balance: The card's balance when the day began.
Average daily balance = (Sum of daily balance) / (Number of days)
Number of days Balance Daily balance
4 $758 $3,032
12 $879 $10,548
10 $1,015 $10,150
5 $1,618 $8,090
Then the average daily balance is given as,
Average daily balance = ($3,032 + $10,548 + $10,150 + $8,090)
(4 + 12 + 10 + 5)
Average daily balance = $31,820 / 31
Average daily balance = $1,026.45
The average daily balance for this month will be $1,026.45.
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object a has a charge of 2 µc, and object b has a charge of 6 µc. which statement is true?
Object A has a charge of 2 µc, and object B has a charge of 6 µc. Object B has a charge that is three times greater than object A.
Object A has a charge of 2 µc, and object B has a charge of 6 µc. To determine which statement is true, we need to compare the two charges. To do this, we can divide the charge of object B by the charge of object A. When we do this, the result is 3. This tells us that object B has a charge that is three times greater than object A. Therefore, we can conclude that the statement "Object B has a charge that is three times greater than object A" is true. Now that we know the statement is true, we can further explain why it is true. Object A has a charge of 2 µc, which is the smallest unit of charge and is equal to 10−6 coulombs. Object B has a charge of 6 µc, which is three times greater than the charge of object A. This means that the charge of object B is three times larger than the charge of object A. This is why the statement is true - because object B has a charge that is three times greater than object A.
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why is this an inappropriate way to list classes in a frequency distribution for quantitative data? 1 up to 10 10 up to 12 12 up to 15 15 up to 25
Suppose the data on the quiz will be grouped into five classes. The width of the classes for a frequency distribution or histogram is closest to 15.
Total number of classes = 5
The data that represent scores on a pop quiz in a statistics section:
25 26 27 28 30 42 53 53 54 56 66 72 76 82 82 84 88 92 96 98
The maximum score from the data = 98
The minimum score from the data = 25
A frequency distribution for quantitative data = (Maximum Score - Minimum Score)/Total number of classes
A frequency distribution for quantitative data = (98 - 25)/5
A frequency distribution for quantitative data = 73/5
A frequency distribution for quantitative data = 14.5
A frequency distribution for quantitative data = 15 (approx)
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The complete question is:
The following data represent scores on a pop quiz in a statistics section:
25 26 27 28 30 42 53 53 54 56 66 72 76 82 82 84 88 92 96 98
Suppose the data on the quiz will be grouped into five classes. The width of the classes for a frequency distribution or histogram is closest to_______________(rounded up).
1. 10
2. 12
3. 15
4. 16
How many ounces are 30 grams?
Answer:
for an approximate result, divide the mass value by 28.35
so the answer is 1.058 ounces
30 grams of ounces would be 1.05822.
What is meant by ounces?An ounce weighs 28 grams. A quarter ounce weighs 7 grams. A half ounce weighs 14 grams. One-eighth of an ounce weighs 3.5 grams. A gram is a unit of weight equal to one thousandth of a kilogram, whereas an ounce is a unit of mass equal to 28.35 grams.
In both the US and Imperial measurement systems, a measure of mass. An ounce is roughly the same weight as a slice of bread. 28.349523125 grams is the precise weight.
Everywhere that isn't metric, including the United States and a few other countries, uses ounces as the basic unit of mass. In actuality, 28.35 grams or such make up 1 ounce.
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Benita buys 2 shirts for the same price, s. The sales tax rate is 6.5%.
Write an expression to represent the total cost of the shirts in two different ways.
The two different expressions for the total cost will be written as:-
C = 2S x 1.065
C = 0.13S + 2S
What is an expression?Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that Benita buys 2 shirts for the same price, s. The sales tax rate is 6.5%.
The two expressions for the total cost of the two shirts will be:-
C = 2S x ( 1 + 0.065)
C = 2S x ( 1.065)
The second way of writing the expression is:-
C = 2S x 0.065 + 2S
C = 0.13S + 2S
Hence, the expressions are C = 2S x 1.065 and C = 0.13S + 2S.
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What is the primary difference between an experiment and an observational study?
The key difference between observational studies and experimental designs is that a well-done observational study does not influence the responses of participants, while experiments do have some sort of treatment condition applied to at least some participants by random assignment.
What is an observational study?An observational study is used in fields such as epidemiology, social sciences, psychology, and statistics to draw conclusions from a sample to a population where the independent variable is not under the researcher's control due to ethical concerns or logistical constraints.
Observational studies involve the study of participants who have had no forced change in their circumstances, i.e., no intervention.
Although participants' behavior may change while being observed, the goal of observational studies is to look into the 'natural' state of risk factors, diseases, or outcomes.
Observational studies are those in which researchers examine the impact of a risk factor, diagnostic test, treatment, or other intervention without attempting to change who is or is not exposed to it.
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a grouped frequency distribution table (gfdt) works for which levels of measurements? ordinal interval nominal ratio
There are four levels of measurements in a grouped frequency distribution table - ordinal ,interval ,nominal, ratio.
What is a frequency distribution ?
A frequency table is a type of table used to represent the different frequencies from a collection of data.
In order to create a frequency table, you must first look at your data and create suitable groups. Your group size may depend on the number of variables you have. Once you have grouped your data you can tally the number of times each variable occurs to find out the frequency.
There are two types of frequency tables; grouped data and ungrouped data frequency tables.
A grouped frequency table (grouped frequency distribution) is a way of organising a large set of data into more manageable groups.
The level of measurement tells you how data is recorded. There are four different levels of measurements used in statistics:
1. Nominal-The nominal level of measurement is data that can be categorised but the data has no order.
Eg - Place of birth, eye colour, gender.
2. Ordinal- The ordinal level of measurement is data that can be categorised and ordered. Although there is an order between the data, you cannot see the intervals between each variable.
For eg - Satisfaction survey, top 5 goal scorers.
3. Interval- The interval level of measurement is data that can be categorised and ranked and there is a scale on which you know the difference between each of the variables.
For eg - Temperature, test scores.
4. Ratio-The ratio level of measurement gives an order to the variables, where there is a difference between the variables, as well as a true zero point.
For eg - Height, age.
Thus, there are four levels of measurements in a grouped frequency distribution table - ordinal ,interval ,nominal, ratio.
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There are four levels of measurements in a grouped frequency distribution table - ordinal, interval, nominal, and ratio.
What is a frequency distribution?
A frequency table is a type of table used to represent the different frequencies from a collection of data.
In order to create a frequency table, you must first look at your data and create suitable groups. Your group size may depend on the number of variables you have. Once you have grouped your data you can tally the number of times each variable occurs to find out the frequency.
There are two types of frequency tables; grouped data and ungrouped data frequency tables.
A grouped frequency table (grouped frequency distribution) is a way of organizing a large set of data into more manageable groups.
The level of measurement tells you how data is recorded. There are four different levels of measurement used in statistics:
1. Nominal-The nominal level of measurement is data that can be categorized but the data has no order.
Eg - Place of birth, eye color, gender.
2. Ordinal- The ordinal level of measurement is data that can be categorized and ordered. Although there is an order between the data, you cannot see the intervals between each variable.
For eg - Satisfaction survey, top 5 goal scorers.
3. Interval- The interval level of measurement is data that can be categorized and ranked and there is a scale on which you know the difference between each of the variables.
For eg - Temperature, test scores.
4. Ratio-The ratio level of measurement gives an order to the variables, where there is a difference between the variables, as well as a true zero point.
For eg - Height, age.
Thus, there are four levels of measurement in a grouped frequency distribution table - ordinal, interval, nominal, and ratio.
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What is 49 inches in feet?
49 inches in feet is 4.08333.
What is 49 inches in feet?You can easily convert 49 inches into feet using each unit definition:
Inches
inch = 2.54 cm = 0.0254 m
Feet
foot = 12 inch = 0.3048 m
Performing the inverse calculation of the relationship between units, we obtain that 1 foot is 0.24489796 times 49 inches.
A foot is zero times forty-nine inches.
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Write an equation for this line.
Answer:
Step-by-step explanation:
y=-1x+5
cost of a theater ticket is an example of what in statistics? A.quantitative data.B. nominal data.C. categorical date.D. either categorical or quantitative data.
The cost of a theater ticket is an example of A. quantitative data in statistics.
What is quantitative data?Quantitative data is data with numerical value.
Quantitative data shows a certain quantity, amount, or range of values.
Nominal data classifies qualitative data according to certain categories. It is not quantitative.
Categorical data deals with grouped data, using names and labels.
Thus, since the cost of a theater ticket is numerical, it is quantitative data instead of nominal or categorical.
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Let A and B be finite sets. Suppose that A has cardinality 6 and B has cardinality 9. What is the cardinality of each of the following sets? (a) AxB (b) The power set P(A)
(a) The cardinality of A x B is 54.
(b) The cardinality of the power set P(A) is 64.
Let A and B be finite sets.
A has cardinality 6 and B has cardinality 9.
|A| = 6 and |B| = 9
A set's size, or the total number of its elements, is indicated by the set's cardinality.
(a) We have to determine the cardinality of A x B.
|A x B| = |A| x |B|
Now putting the value
|A x B| = 6 x 9
|A x B| = 54
(b) We have to determine the cardinality of the power set P(A).
|P(A)| = 2^{|A|}
Now putting the value
|P(A)| = 2^{6}
|P(A)| = 64
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42 is 60% of ______?
Answer:
0.6
Step-by-step explanation:
60% into a decimal is 0.6
you move the decimal two places to the left
Answer:
70
Step-by-step explanation:
Let the number we want is "x".
42 = 60% of x
42 = 60/100 x
4200 = 60 x
4200/60 = x
x= 70
How to graph
7x+10y= – 70
The hypotenuse of a right triangle is 13 cm, the perimeter is 30 cm. Find the catheters
please help !!!!!!!!!
The length of the other sides are 5cm and 12cm
How to determine the other sidesLet the legs of the right triangle be 'a' and 'b'. Let the hypotenuse be 'h'.
We have the formula for perimeter as;
Perimeter, p = a + b + h = 30 cm
p = a + b + 13 cm = 30 cm
a + b = 30 - 13 = 17 cm
a = 17 - b …………… (1)
Using the Pythagorean Theorem
a² + b² = h²
(17 - b)² + b² = 13² ................ From equation (1)
b² + 17² - 34b + b² = 169
2b² - 34b + 289 - 169 = 0
collect like terms
2b² - 34b + 120 = 0
b² - 17b + 60 = 0
solve the quadratic equation
b² - 12b - 5b + 60 = 0
b(b - 12) - 5(b - 12) = 0
Factor the like terms
(b - 12)(b - 5) = 0
b = {12, 5}
From equation (1), we have;
a = 17 - 12 = 5 cm, or a = 17 - 5 = 12 cm
a = {5,12}
Hence, the values are 5cm and 12cm
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