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.

Question

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.

Quizplus · Accepted Answer

The Answer of 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.

Nancy,IncHas Three Stores Located in Three Different Areas