The following partial JMP regression output for the Fresh detergent data relates to predicting demand for future sales periods in which the price difference will be .10. Predicted DemandLower 95% Mean
DemandUpper 95% Mean
Demand
318.5370953928.1402292998.933961486
StdErr Indiv
DemandLower 95% Indiv
DemandUpper 95% Mean
Demand
0.8047548736.88862943210.185561350< br /> (a) Report a point estimate of and a 95 percent confidence interval for the mean demand for Fresh in all sales periods when the price difference is .10. (Round your CI answers to 3 decimal places and other answer to 4 decimal places.)
Point estimate =
Confidence interval = ,
(b) Report a point prediction of and a 95 percent prediction interval for the actual demand for Fresh in an individual sales period when the price difference is .10. (Round your PI answers to 3 decimal places and other answer to 4 decimal places.)
Point estimate =
Confidence interval = ,
(c) StdErr Indiv Demand on the JMP output equals √1+distance value. Using this information, find 99 percent confidence and prediction intervals for mean and individual demands when x = .10. (Round your answers to 4 decimal places.)
99% C. I.: ,
99% P. I.: ,