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Nancy, Inc

Question 29

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Nancy, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (In $1,000) are shown below. Nancy, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (In $1,000) are shown below. 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.
a.Compute the overall mean Nancy, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (In $1,000) are shown below. 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. .
b.At 95% confidence, test to see if there is a significant difference in the average sales of the three stores.

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a. 39
b. blured image F = 40.5; ...

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