Daphne's teacher told her that the standardized score for her history exam, as compared to the other students in the course, is 2.50. Which of the following is the best interpretation of this standardized score?
A. Daphne's test score is 2.50.
B. Daphne's test score is 2.50 times the average test score of students in the course.
C. Daphne's test score is 2.50 standard deviations above the average test score of students in the course.
D. Daphne's test score is 2.50 above the average test score of students in the course.
E. None of the above gives the correct interpretation.

Answers

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer: C. Daphne's test score is 2.50 standard deviations above the average test score of students in the course.

Step-by-step explanation: That's what Z-score is


Related Questions

Help math plzshnsndnfjc

Answers

Answer:

11 inches

Step-by-step explanation:

So first I don’t typically go with fractions so I broke 2 3/4 down into a decimal which is:

2.75

Then the index card is

4 by 2.75

Then you multiply the sides

4 x 2.75

= 11 inches

What is the slope of the line that contains these points?
х
15
17
19
21
10 2
14
26

Answers

Answer:

6

Step-by-step explanation:

The slope (m) can be found using the formula ...

 m = (y2 -y1)/(x2 -x1)

Any pair of points will do. We can use the first two.

 m = (2 -(-10))/(17 -15) = 12/2

 m = 6

The slope of the line is 6.

-7/9x9/8 what is the answer

Answers

Here is what I got
Anyways I have to write 20 words so here they r

Find each missing measure, please help

Answers

Answer:

well i can't find the missing measure if the actual measure is missing

Step-by-step explanation:

4x - 5= 2(2x - 1) -3

Answers

Answer and Step-by-step explanation:

Solve for x.

Distribute the 2.

4x - 5 = 4x - 2 - 3

Combine like terms

4x - 5 = 4x - 5

Add 5, and subtract 4x.

0 = 0

There are infinitely many solutions, meaning any value plugged in for x will result in the equation being true.

#teamtrees #PAW (Plant And Water)

Help... need it right now ;-;

Answers

Answer:

1

Step-by-step explanation:

|3 + 2 - 6| = |5 - 6| = |-1| = 1

Answer:

1

Step-by-step explanation:

Hello There!

For this one, like the other one, all we have to do is plug in the values

so

l 3 - (-2) + (-6) l

3 - (-2)

the two negative signs cancels out so now its

3+2 which is equal to 5

5-6=-1

l-1l remember l l means absolute value and the absolute value of -1 is 1 so the answer is 1

The diagram shows a parallelogram ABCD and an equilateral triangle BDE.

CDE is a straight line.

(a) Work out angle BDE
Give a reason for your answer.

(b) Work out angle CDB
Give a reason for your answer.

Answers

Answer:

a) ∠BDE is 60° because ΔBDE is an equilateral triangle with all three angles = 60°.

b) ∠CDB = 120° because 180° - 60° = 120°

Step-by-step explanation:

Sally can paint a room in 8 hours while it takes Steve 6 hours

Answers

Answer:

Step-by-step explanation:

Sally paints ⅛ of a room per hour.

Steve paints ⅙ of a room per hour.

Working together, they paint ⅛ + ⅙ = 7/24 of the job per hour, finishing in 24/7 hours.

Find the value of x. The diagram is not to scale

Answers

Answer:B-70

Step-by-step explanation:

from the figure, In [tex]\triangle ABC\ \text{and}\ \triangle ADE[/tex]

[tex]\Rightarrow \dfrac{45}{45}=\dfrac{24}{24}\\\Rightarrow \dfrac{1}{1}=\dfrac{1}{1}[/tex]

[tex]\therefore \text{two triangles are similar}[/tex]

Thus we can write

[tex]\Rightarrow \dfrac{35}{x}=\dfrac{45}{45+45}\\\\\Rightarrow x=35\times \dfrac{90}{45}=35\times 2=70[/tex]

In ΔDEF, the measure of ∠F=90°, the measure of ∠D=73°, and FD = 27 feet. Find the length of EF to the nearest tenth of a foot.

Answers

Answer:

88.3

Step-by-step explanation:

The answer is 88.3.

Jack spent a mean of $4 in the last 5 days how much did he spend on the 4th day​

Answers

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 9$

Explanation:

5 + 3 + 1 + x + 2 = 20

Subtract all those numbers

x = 9

5 + 3 + 1 + 9 + 2 = 20

20 / 5 = 4

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Expand and combine like terms: (2x^3+4x^5)^2=

Answers

Answer:

16x^10+16x^8+4x^6

The expanded and simplified form of [tex](2x^3 + 4x^5)^2[/tex] is  [tex]4x^6 + 16x^8 + 16x^10[/tex].

when we combine all the like terms.

To expand and combine like terms for the expression [tex](2x^3 + 4x^5)^2,[/tex] we need to square each term inside the parentheses and then combine like terms.

Using the FOIL method (First, Outer, Inner, Last) to multiply the terms, we have:

[tex](2x^3 + 4x^5)^2 = (2x^3)^2 + 2(2x^3)(4x^5) + (4x^5)^2[/tex]

Simplifying each term:

[tex](2x^3)^2 = 4x^6\\2(2x^3)(4x^5) = 16x^8\\(4x^5)^2 = 16x^10[/tex]

Combining like terms, we have:

[tex](2x^3 + 4x^5)^2 = 4x^6 + 16x^8 + 16x^10[/tex]

Therefore, the expanded and simplified form of [tex](2x^3 + 4x^5)^2[/tex] is [tex]4x^6 + 16x^8 + 16x^10.[/tex]

To know more about  "expression."  here

https://brainly.com/question/1859113

#SPJ2

Full Question

Expand and combine like terms: (2x^3+4x^5)^2 by simplication.

(No graph needed)

Please help me I really need to finish thisssss. (Brailiest!)

Answers

Answer:

208

Step-by-step explanation:

A=2(wl+hl+hw)=2·(6·4+8·4+8·6)=208

A right rectangular prism has a volume of 3536 cubic feet, and the length 8 of the base of the prism is 9 feet longer than its width. The height of prism is 26 feet. What are the dimensions of the base of the prism?

Answers

Answer:

Base = 8 * 17

Step-by-step explanation:

(Not sure what the "8" is, assuming an accidental input.)

Base area = 3536/26 = 136

136 = Lw

L = 136/w

L = w + 9

136/w = w + 9

136 = w(w + 9)

136 = w² + 9w

w² + 9w - 136

(w + 17)(w - 8)

Only use the positive result. w = 8

L = 8 + 9 = 17

Edit: Maybe 8 is the answer accidentally included in the question?...

HELP ME PLEASE HERE IS THE IMAGE I NEED THE HELP PLEASE

Answers

Answer:

6

Step-by-step explanation:

when the imposter is sus

Answer:

The answer is 6

Step-by-step explanation:

You have to add all of them together and then divide the number you get with how many number there are.

I need your help guys ....pls answer it correctly I will mark you as a brainlist ❤️....20 minutes left for me to submit my assignment pls Fast guys​

Answers

Answer:

If the lines are parallel, then the corresponding angles will be equal. In the given, they are not equal.

Step-by-step explanation:

Answer:

If they were parallel XSA and STC would be equal but as they are not, the lines are not parallel.

Step-by-step explanation:

I’ll reward brainiest it’s super easy

Answers

Answer:

D 21

Step-by-step explanation:

Good Luck!

Define Equivalent Rates
Please answer this asap-

Answers

Answer:

When two or more sperate ratios have the same value.

A cone in the diagram below has a radius (r) of 10mm and its height (h) is 24mm calculate the length of the slant height

Answers

Answer:

26mm

Step-by-step explanation:

by the Pythagorean theorem,

[tex]x^2=10^2+24^2\\x^2=676\\x=26[/tex]

Pls someone help me with this question pls

Answers

Answer:

[tex]p =\frac{1}{6}[/tex]

Step-by-step explanation:

Given

[tex]Polygons =\{Quadrilateral, Pentagon, Hexagon, Octagon, Nonagon, Decagon\}[/tex]

Required

Probability of assigning a nonagon

From the given set of polygons, there are 6 polygons in the set and 1 one of them is a nonagon

This means that:

[tex]n = 6[/tex] --- Total

[tex]Nonagons = 1[/tex]

So, the probability, p is:

[tex]p =\frac{Nonagons}{n}[/tex]

[tex]p =\frac{1}{6}[/tex]

A new car is purchased for $49,000 and over time its value depreciates by one half
every 7 years. How long, to the nearest tenth of a year, would it take for the value of
the car to be $32, 200?

Answers

Answer: t≈ 4.2

Step-by-step explanation:

WILL GIVE BRAINLIEST

Answers

The answer is c! You just put the square root symbol in your calculator and then put the number after and press enter it comes to around 4.8 so your answer is c
C is the right answer to this. Have a great day!!

What is the length of the diagonal of the rectangle? Round to two decimal places
A. 7.61
B. 16.31
C. 19.86
D. 38.60

Answers

Answer:

Option C

Step-by-step explanation:

By the property of a rectangle,

"All interior angles of a rectangle measure 90°"

Therefore, m∠ABC = 90°

By applying cosine rule in the right triangle ABC,

cos(∠CAB) = [tex]\frac{\text{Adjacent side}}{\text{Hypotenuse}}[/tex]

cos(25°) = [tex]\frac{AB}{AC}[/tex]

AC = [tex]\frac{AB}{\text{cos}(25)}[/tex]

AC = [tex]\frac{18}{\text{cos}(25)}[/tex]

AC = 19.86

Therefore, Option C will be the answer.

Helpmate!!!!!!!!!!!!!!!!!

Answers

Answer:

$150

Step-by-step explanation:

Answer:

The answer is $150

Step-by-step explanation:

My friend had this question and told me the answer

Will mark brainlest Thanks

Answers

Answer:

the answer is d

Step-by-step explanation:

HELP ASAP !! i’ll give you the brainliest answer as long it’s correct plsss helpp

Answers

Answer:

its b, and why does everyone want brainllest

Step-by-step explanation:

Answer:

Answer option 2

Step-by-step explanation:

someone please help me asnwer this!!

Answers

Answer:

okokokokokoo9i876t5rew

Step-by-step explanation:

4s3a468

Can anyone help me with my homework

Answers

GFBH is the code

1 is -3,-2 which is G
2 is 3,4 which is F
3 is 2,0 which is B
4 is 1,-3 which is H

I have no idea how to solve this​

Answers

Answer:

x is 11.2 ur welcome

Step-by-step explanation:

So x = 11.2 hope it helps you

Bao is driving to a concert and needs to pay for parking. There is an automatic fee of
$6 just to enter the parking lot, and when she leaves the lot, she will have to pay an
additional $2 for every hour she had her car in the lot. How much total money would
Bao have to pay for parking if she left her car in the lot for 5 hours? How much would
Bao have to pay if she left her car in the lot for t hours?

Answers

Answer:

16

Step-by-step explanation:

6+2(t) --> 6+2(5) --> 6+10=16

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