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Author Question: Samples were selected from three populations. The data obtained are shown below.Sample 1Sample ... (Read 88 times)

jenniferbaugh1984

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on: Mar 25, 2023

Question 1

Samples of employees of Companies A and B provided the following information regarding the ages of employees.

 

Company A

Company B

Sample Size

32

36

Average Age

42

47

Variance

16

36


Develop a 97% confidence interval for the difference between the average ages of the employees of the two companies.



Question 2

Samples were selected from three populations. The data obtained are shown below.

 

 

Sample 1

Sample 2

Sample 3

 

10

16

15

 

13

14

18

 

12

15

 
 

13

  
    
    
    
Sample Mean

12

15

16.5

Sample Variance

2.0

1.0

4.5


 

a.Compute the overall mean .
b.Set up an ANOVA table for this problem.
c.At 95% confidence, test to determine whether there is a significant difference in the means of the three populations. Use both the critical and p-value approaches.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by jenniferbaugh1984 on Mar 25, 2023

lola.jashay

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jenniferbaugh1984

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

chjcharjto14

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Reply 3 on: Yesterday
Excellent

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