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salantis [7]
3 years ago
9

WILL GIVE A BRAINLEST!!!!!!!!!!!!!!!

Mathematics
2 answers:
Dmitrij [34]3 years ago
6 0
The answer is A. The data is a sample, so you can determine every answer with the word 'population' in it to be wrong. 
Monica [59]3 years ago
4 0

Answer with explanation:

Formula to find variance of Population

     (\sigma)^2=(\text{Variance})^2=\frac{(\text{Each variate in the data set}-\text{Mean of the data set})^2}{\text{total number of variate}}

Formula to find variance of a Sample

   (\sigma_{1})^2=(\text{Variance})^2=\frac{(\text{Each variate in the data set}-\text{Mean of the data set})^2}{\text{total number of variate}-1}

The meaning of the word Variance, is how dispersed the variate are from mean.

Option A

The data is a sample and is expected to be more dispersed from the mean.

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4(n+2+2n+5+n+6)=-32 How do you show the problem?
yarga [219]

Answer:

n = -21/4 <em>or </em>-5.25

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
I need help with # 14 and 15 ASAP... It is due tomorrow ..can some one please help me with it
Angelina_Jolie [31]

Answer:

See explanation

Step-by-step explanation:

A. Gasoline fill-up fee = $4.50

Cost per hour = $40

Average cost = C

Number of hours the scootcar is rented = h

Cost per h hours = $40h

Total cost = $40h + $4.50

Hence,

C = 40h+4.5

B. To plot the graph of the function, find h- and C- intercepts.

When h = 0, then C = 4.5, and we have point (0,4.5)

When C = 0, then 0 = 40h + 4.5, h = -45/400 = -0.1125, and we have point (-0.1125,0)

Plot these two points and connect them with a straight line.

Graph is attached, but you should take only that part of the graph that corresponds to points with h > 0, because the number of hours cannot be negative

8 0
3 years ago
The las answer is Center E and scale factor 1/4 pleaseee helpp
hoa [83]
<h3>Answer: D) center E, scale factor 1/4</h3>

======================================

Explanation:

Point E is the center of the dilation (we can think of this as the origin point). This is because point E is in the same exact location as point E'. This is a fixed point. The other points move.

To find the scale factor, divide E'F' over EF

scale factor = (E'F')/(EF)

scale factor = 2/8

scale factor = 1/4

Keep in mind that EF = EF'+F'F = 2+6 = 8.

4 0
3 years ago
Evaluate the following expression. <br><br> (2+6×2+2−4)×2
denis-greek [22]

Answer:

24

Step-by-step explanation:

PEMDAS.

4 0
2 years ago
Given the figure below, find the values of x and z.<br><br> (13x – 82) °
NNADVOKAT [17]

Answer:

Step-by-step explanation:

z has the value of 106 degrees the same as the other vertical angle

x =12

13x-82 +106  = 180

13x +24=180

13x= 156

x=12

13*12-82 +106 = 180

156-82+106=180

180=180

5 0
3 years ago
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