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Author Question: Guitars R. US has three stores located in three different areas. Random samples of the sales of the ... (Read 33 times)

Katmoss16

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on: Mar 25, 2023

Question 1

For four populations, the population variances are assumed to be equal. Random samples from each population provide the following data.

Population

Sample Size

Sample Mean

Sample Variance

1

11

40

23.4

2

11

35

21.6

3

11

39

25.2

4

11

37

24.6


Using a .05 level of significance, test to see if the means for all four populations are the same.



Question 2

Guitars R. US has three stores located in three different areas. Random samples of the sales of the three stores (in $1000) are shown below.

 

Store 1

Store 2

Store 3

80

85

79

75

86

85

76

81

88

89

80

 

80

  


 

a.Compute the overall mean.
b.State the null and alternative hypotheses to be tested.
c.Show the complete ANOVA table for this test including the test statistic.
d.The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?
e.Determine the p-value and use it for the test.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Katmoss16 on Mar 25, 2023

KAyteeBee1129

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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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Katmoss16

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

essyface1

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Reply 3 on: Yesterday
Gracias!

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