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Author Question: Carolina, Inc. has three stores located in three different areas. Random samples of the sales of the ... (Read 91 times)

allihubbard

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on: Mar 25, 2023

Question 1

At α = 0.05, test to determine if the means of the three populations (from which the following samples are selected) are equal. Use both the critical and p-value approaches.

 

Sample 1

Sample 2

Sample 3

60

84

60

78

78

57

72

93

69

66

81

66



Question 2

Carolina, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (in $1,000) are shown below. Please note that the sample sizes are not equal.

 

Store 1

Store 2

Store 3

88

76

85

84

78

67

88

60

58

82

62

 

93

  


 

a.Compute the overall mean.
b.At 95% confidence, test to see if there is a significant difference in the average sales of the three stores. Use both the critical value and p-value approaches. Show your complete work and the ANOVA table.

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

bmac98

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Reply #1 on: Mar 25, 2023
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allihubbard

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Reply 2 on: Mar 25, 2023
:D TYSM

yeungji

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Reply 3 on: Yesterday
Wow, this really help

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