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.

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.

Question

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.
  
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.

Quizplus · Accepted Answer

The Answer of 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.
  
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.