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Author Question: Consider the following results for two samples randomly taken from two populations.Sample ASample ... (Read 102 times)

ShannenConnor

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on: Mar 25, 2023

Question 1

Consider the following results for two samples randomly taken from two populations.

 

 

Sample A

Sample B

Sample Size

31

35

Sample Mean

106

102

Sample Standard Deviation

8

7


 

a.Determine the degrees of freedom for the t-distribution.
b.Develop a 95% confidence interval for the difference between the two population means.



Question 2

Consider the following results for two samples randomly taken from two populations.

 

 

Sample A

Sample B

Sample Size

25

38

Sample Mean

66

60

Sample Standard Deviation

5

7


 

a.What are the degrees of freedom for the t distribution?
b.At 95% confidence, compute the margin of error.
c.Develop a 95% confidence interval for the difference between the two population means.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by ShannenConnor on Mar 25, 2023

leilani49

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Reply #1 on: Mar 25, 2023
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ShannenConnor

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

upturnedfurball

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Reply 3 on: Yesterday
:D TYSM

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