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In: Statistics and Probability

Nancy, Inc. has three stores located in three different areas. Random samples of the sales of...

Nancy, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (in $1000) are shown below. Please note the sample sizes are not equal.

  1. At a 5% level of significance, test to see if there is a significant difference in the average sales of the three stores.

Store 1

Store 2

Store 3

46

34

33

47

36

31

45

35

35

42

39

45

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