Author Question: Carolina, Inc. has three stores located in three different areas. Random samples of the sales of the ... (Read 18 times)

allihubbard · **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.

bmac98 · **Reply #1 on:** Mar 25, 2023

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