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Nataly_w [17]
3 years ago
9

The following partial JMP regression output for the Fresh detergent data relates to predicting demand for future sales periods i

n which the price difference will be .10.
Predicted Demand Lower 95% Mean
Demand Upper 95% Mean
Demand
31 8.537095392 8.140229299 8.933961486
StdErr Indiv
Demand Lower 95% Indiv
Demand Upper 95% Mean
Demand
0.804754873 6.888629432 10.185561350
(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.: ________ , ________
Mathematics
1 answer:
ad-work [718]3 years ago
4 0

Answer:

Step-by-step explanation:

From the question we are told that:

Drice difference p.d=0.10.

a)

Generally from the Table given above

i)

Point estimate =Predicted Demand

Therefore

Point estimate = 8.5371

ii)

With the Lower 95% Mean  Demand and Upper 95% Mean  Demand Given in the Table above

Confidence interval =(8.1402,8.9340)

b)

Generally from the Table given above

i)

Point estimate =Predicted Demand

Therefore

Point estimate = 8.5370

ii)

With the Lower 95% Mean  Demand and Upper 95% Mean  Demand Given in the Table above

Confidence interval =(6.8890 , 10.1860

c)

Generally from the Table given above

99% C.I.:8.0047 , 9.0556

99% P.I.:6.3154 , 10.7588

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