Halls, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (In $1,000) are shown below. At a 5% level of significance, test to see if there is a significant difference in the average sales of the three stores.

Question

Halls, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (In $1,000) are shown below.  At a 5% level of significance, test to see if there is a significant difference in the average sales of the three stores.

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The Answer of Halls, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (In $1,000) are shown below.  At a 5% level of significance, test to see if there is a significant difference in the average sales of the three stores.