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Author Question: The variance of a sample was reported to be 81. The report indicated that = 972. What has been the ... (Read 55 times)

emoedee

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Question 1

The starting salaries of a sample of college students are given below.

 

Starting Salary
(In $1,000)


Frequency

20-24

1

25-29

3

30-34

7

35-39

6

40-44

2

45-49

1


 

a.Compute the mean.
b.Compute the variance.
c.Compute the standard deviation.
d.Compute the coefficient of variation.



Question 2

The variance of a sample was reported to be 81.  The report indicated that = 972.  What has been the sample size?



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Marked as best answer by emoedee on Mar 25, 2023

Marys

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emoedee

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Reply 2 on: Mar 25, 2023
Wow, this really help


Hdosisshsbshs

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Reply 3 on: Yesterday
:D TYSM

 

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