collected from a sample of 20 stores in a supermarket chain and shown below. Note: The data may be different from the previous Part A Intepret the 95% confidence interval for the regression coefficient of Price by completing the follow: (Round the confidence interval to 5 decimal places) Part B Intepret the 95% confidence interval for the regression coefficient of Promotion by completing the follow: (Round the confidence interval to 5 decimal places) Part C Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region A and B given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) (Hint: Set the reference category of the sale region to B) ( ) ) Based on the interval, we conclude that the mean monthly number of power bars sold in region A region B. Part D Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region A and C given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) (Hint: Set the reference category of the sale region to C ) Based on the interval, we conclude that the mean monthly number of power bars sold in region A region C. Part E Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region A and D given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) (Hint: Set the reference category of the sale region to D) ( ) ) Based on the interval, we conclude that the mean monthly number of power bars sold in region A region D. Part F Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region B and C given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) Based on the interval, we conclude that the mean monthly number of power bars sold in region B region D. Part H spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) Based on the interval, we conclude that the mean monthly number of power bars sold in region C region D. collected from a sample of 20 stores in a supermarket chain and shown below. Note: The data may be different from the previous Part A Intepret the 95% confidence interval for the regression coefficient of Price by completing the follow: (Round the confidence interval to 5 decimal places) Part B Intepret the 95% confidence interval for the regression coefficient of Promotion by completing the follow: (Round the confidence interval to 5 decimal places) Part C Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region A and B given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) (Hint: Set the reference category of the sale region to B) ( ) ) Based on the interval, we conclude that the mean monthly number of power bars sold in region A region B. Part D Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region A and C given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) (Hint: Set the reference category of the sale region to C ) Based on the interval, we conclude that the mean monthly number of power bars sold in region A region C. Part E Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region A and D given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) (Hint: Set the reference category of the sale region to D) ( ) ) Based on the interval, we conclude that the mean monthly number of power bars sold in region A region D. Part F Construct and interpret a 95% confidence interval for the difference in the mean monthly number of power bars sold between region B and C given the price charging on a power bar and the spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) Based on the interval, we conclude that the mean monthly number of power bars sold in region B region D. Part H spending on promotional expenditures are the same in both regions. (Round the interval to 5 decimal places) Based on the interval, we conclude that the mean monthly number of power bars sold in region C region D