Determine whether the following is an example of a sampling error or a non sampling error.

12% of all people are left handed. A researcher randomly selected 200 people and found that 16% of them were left handed. No mistakes were made in the data collection or data recording. The 4% difference is due to ...

Answers

Answer 1

Answer:

Sampling Error

Step-by-step explanation:

We are told that 12% of all people are left handed.

Now, from the sampling done, we are told that 16% of them were left handed.

This is a 4% difference.

However, we are told that no mistakes were made in the data collection or data recording.

This means that it is likely the error came from the fact that the 200 people sampled didn't reflect the total population because the 12% reflects the true population.

Thus, this is clearly a sampling error.


Related Questions

please answer number 3. what does the y int mean in the context of this problem?

Answers

Answer:

ıts increase

Step-by-step explanation:

Blank one
A horizontal
An oblique
No end behavior

Blanks two
All real numbers other than 6
All real numbers other than -6
All real numbers other than-2
All real numbers

Answers

Answer:

1 IS B

Step-by-step explanation:

2 IS A

HOPE THIS HELPS

Which equation would you use to solve the following situation?

If everybody on the team scores 4 points, and the team has a total of 28 points, how many people are on the team?

7 p = 28
4 p = 28
28 - p = 4
4 + p = 28

Answers

Answer:p=7

Step-by-step explanation:because 4 x 7 =28

PLEASE HELP!
If Southbrook Middle School has 850 students, then how many students participate in the various number of sports: I download a picture with the question. Thank You!

Answers

Answer:

102 Non-Participation

357 One sport

238 Two sports

153 Three sports

Step-by-step explanation:

Find the value of x in the figure below. Assume that the lines are parallel
A= 45
B=120
C=30
D=90
E=25

Answers

C

work:

75 is equal to 2x+15

75-15 = 60

60/2 = 30

x=30

Factor using GCF.
Show your work!
2) 3x^5 - 2x^4 + 5x^2

Answers

If x equals 4hd that means 2^ is not multipication and it is subtracting but we turn that into nagitive and that will turn into a 3 just like mentioned so it is 35

What is the value of a in the equation below? 2a + 3 = 4a + 5

Answers

Answer:

2a+3=4a+5

2a-4a=5-3

-2a=2

a=-1

Answer:

Oh and btw im doin this just to tell you the guy is right because i got it right with this remember

Step-by-step explanation:

2a+3=4a+5

2a-4a=5-3

-2a=2

a=-1 your welcome

There are
9 quarters
5 dimes
7 pennies
4 nickels

A coin is drawn from a coin purse and spent. a second coin is drawn from the coin purse and spent. what is the probability that the first coin drawn was a dime and the second coin drawn was a nickel?

A. 1/30
B. 1/11
C. 9/25
D. 4/5

Answers

Answer:

A) 1/30

Step-by-step explanation:

total of 25 coins at beginning

total of 24 coins after the first coin is drawn and spent

P('d' then 'n'): 5/25 · 4/24 = 1/5 · 1/6 = 1/30

Fake Question So It Doesn't Get Taken Down (What is the gemological answer for 5.87 x 7?) Real Question: Whats something i could watch on Netflix?

Answers

So numberone.....

haikyuu: its really good but its does cuss a bit.

MakoMermaids: LOLOLOL this one is kinda a joke-but itsgood

Work  It:I totally recommend this one! Its a funny movie about a girl starting a dance group. Its great.

5x5= 25. Because this is how u count. 5 ,10,15,20,25 because when u say that and use ur fingers u get five fingers up 25 is ur answer

Answers

Answer:

hmmm interesting approach  

Step-by-step explanation:

Fill in the blanks to complete the equation that describes the diagram

Answers

Answer:

2 + -7 = -5

Step-by-step explanation:

Adding a negative number is the same as subtracting a positive number just as subtracting a negative number is the same as adding a positive.

What is the area of an rectangle with sides lengths of 5/12 foot and 2/3 foot​

Answers

Answer:

The area of given rectangle is 5/18 square feet.

Step-by-step explanation:

Let l be the length of rectangle and w be the width of the rectangle.

Given information is:

Length = l = 5/12 foot

Width = w = 2/3 foot

The area of a rectangle is given by the formula

[tex]Area = Length*Width\\A = l*w[/tex]

Putting the values for width and length

[tex]A = \frac{5}{12} * \frac{2}{3}\\= \frac{10}{36}\\=\frac{5}{18}[/tex]

The area is 5/18 square feet.

Hence,

The area of given rectangle is 5/18 square feet.

Suppose that in a normal half hour of practice, a tennis player expends 280 calories of energy.
How many calories who she need to expend if she were to "give 110%" effort?

Answers

Answer:

308 Calories

Step-by-step explanation:

So we start off with 280 as usual, but I will focus on the percent. The given percent is 110% "effort". What we would need to do here is, Firstly, change the percent into a decimal, and this is done by moving the decimal spot of 110%. What I mean is that 110.% and you move that little period over 2 times to the left and also remove the percent as for now because we will not need it. After that you would get 1.10. This is what we will multiply by. So if we did 280x1.10 it equals 308, and that is how I got 308

Hope this helps!

which is equvalent to 4b
A. 3b + b
B. 2b + 2b
C. b + 2 ( b + 2b)
D. 2( b + b)

Answers

The answer for your question is A 3b+b

Answer:

fornite

Step-by-step explanation:

i need points

There are 88 seats in a theater. The seating in the theater is split into 4 identical sections. Each section has 14 red seats and some blue seats.

Create an equation to represent this situation.

Answers

Answer:

there are 8 blue seats

Step-by-step explanation:

Uma used 1/2 cup of milk for 2/3 of a cake How much milk will she use for the whole cake?

Answers

Answer:

Then you will use 2/2

Step-by-step explanation:

HELP HELP HELP ME PLEASE

Answers

Answer:

2nd answer

Step-by-step explanation:

Answer:it is 2

Step-by-step explanation:

how could you use 1/8 measuring cup to measure 1/4 cups of water ​

Answers

You could use the 1/8 measuring cup twice because that would be 2/8 which is the equivalent to 1/4 with GCF of 2

We can use 1/8 measuring cup two times.

What is measurement?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

A cup of measurement 1/8.

Now,

we have to measure 1/4 from the cup using cup of measurement 1/8.

So, we can measure it two times.

as, 1/8+ 1/8

= 2/8

=2/4.

Learn more about measurement here:

https://brainly.com/question/22056199

#SPJ2

Difficult Math. Up to the challenge?

Answers

Answer:

We have the three angles of a triangle as an equation, so we can add them together, and they equal 180.

So:

4x+10+12x-6+3x+5= 19x+9=180

19x=171 ... so: x= 171/19 = 9.

So ABC = 102 .. Obtuse angle

BAC = 46 .. Acute angle

BCA = 32 .. Acute Angle

Edit:

Angle 1 = 180 - BAC = 180 - 46 = 134

Angle 2= 180 - ABC = 180 - 102 = 78

Sams budget is 3000$ she uses $1400 for rent. What percent of her budget was used on rent? Will pay 30 points

Answers

Answer:

HER PERCENT WAS 46.67

Step-by-step explanation:

Answer:

1600 is the answer, this isn't 30 points lol ✨⌒(>。≪)

Can anyone please help me!

Answers

Answer:

2

Step-by-step explanation:

(4)(−2)+10

=−8+10

=2

Answer:

it's the option c

it's 2........

Following number in word form 345.065

Answers

Answer:

three hundred and forty five and sixty five thousandths

Step-by-step explanation:

the 5 is in the thousandths place so the whole decimal number ends with thousandths

three hundred and forty five and sixty five thousandths is the word for, for 345.065.

Since the period is on the 5 thousand’s place, you cancel all other number lower then 5 thousand like 60 and 5.

5xy - 12xy + 12xy - 9(x + y)

Answers

Answer:

5xy-9x+9y  

Step-by-step explanation:

Ya

Answer: i don't know what you want but

If you want this simplified/combined like terms: 5xy-9x-9y

Please help thanks :))))

Answers

Answer:

-6

Step-by-step explanation:

1-7(1)=1-7

1-7=-6

You know anything times 1 stays the same there for you just subtract, since it's a positive 1 minus a negative 7 it goes backwards to -6

5) 36 = 3b + 4s; Find b ifs = 3

Answers

The answe is that b=8

Hello! I really don't understand this question. Please answer it, it is due tomorrow! Also, please answer it in the most simple way possible? Appreciate it! :)

Michelle and Michael checked some books out of the library. 20% of the books Michelle checked out were fiction books. Your friend thinks that Michael checked out more fiction books than Michelle. Explain the error in your friend's thinking. Use an example to support your reasoning.

Answers

Answer:

Just because Michelle checked out 20% of her borrowed books were fictions does not mean Michael had more books. For example, Michelle could have borrowed 100 books, which would result into her borrowing 20 fiction books while Michael could have borrowed just 1 fiction book with a 100% of his borrowed books being a fiction book.

Step-by-step explanation:

Just because Michelle checked out 20% of her borrowed books were fictions does not mean Michael had more books. For example, Michelle could have borrowed 100 books, which would result into her borrowing 20 fiction books while Michael could have borrowed just 1 fiction book with a 100% of his borrowed books being a fiction book.

In other words, percentage is just the simplied ratio of something. Percentage cannot account for the original value and its original value cannot be assumed that it is small just because the percentage is small.

ILL MARK BRAINLIST , PLS HELL

Answers

Answer:

All the four steps are correct

Step-by-step explanation:

All the four steps are correct

Mrs.Jones orders pizzas for a class party. Each pizza will be cut into 8 slices. There will be 36 people at the party. How many pizzas should Mrs.Jones order so that each person can have a slice. what i am asking is what the remainder for this question.

Answers

Answer:

5 pizzas

Step-by-step explanation:

36/8 = 4.5

In order for everyone to get a piece order 5

If MP is a perpendicular bisector to LN, find each value (picture attached)

Answers

Answer:

x=4, MN= 37, LM= 37, y=7.

Step-by-step explanation:

If MP is a perpendicular bisector to LN, then NP and LP are equivalent.

(Solve for y)

2y+2= 16

(Move the +2 to the right side of the equation)

2y= 14

(Divide both sides by 2 to isolate the variable)

y=7

To find x and the measure of MN and LM, solve for x in the following equation:

7x+9 = 11x-7

(Move 7x to the right side of the equation)

9 = 4x-7

(Move -7 to the right side of the equation.)

16= 4x

(Divide both sides by 4 to isolate the variable.)

4= x

Plug x back into both equations to get the measure of MN and ML

MN=7(4)+9

MN= 28+9

MN= 37

LM= 11(4)-7

LM= 44-7

LM= 37

I hope this helps!

Answer:

f

Step-by-step explanation:

Solve for x:
1 ½ - ( 5/6x + ⅓ ) = 8/9

Answers

Answer:

its x=1/3 :)))

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