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Author Question: Independent random samples taken at two companies provided the following information regarding ... (Read 34 times)

agstelzer01

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on: Mar 25, 2023

Question 1

Independent random samples of managers' yearly salaries (in $1000) taken from governmental and private organizations provided the following information. At 95% confidence, test to determine if there is a significant difference between the average salaries of the managers in the two sectors.

 

 

Government

Private

80

75

s

9

10

n

28

31



Question 2

Independent random samples taken at two companies provided the following information regarding annual salaries of the employees.

 

Company A

Company B

Sample Size

72

50

Sample Mean (in $1,000)

48

43

Population Standard Deviation (in $1,000)

12

10


a.We want to determine whether or not there is a significant difference between the average salaries of the employees at the two companies. Compute the test statistic.
b.Compute the p-value; and at 95% confidence, test the hypotheses.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by agstelzer01 on Mar 25, 2023

SphnxKickin

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Reply #1 on: Mar 25, 2023
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agstelzer01

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Reply 2 on: Mar 25, 2023
:D TYSM

robbielu01

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Reply 3 on: Yesterday
Gracias!

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