Explore BrainMass

# Estimated Regression Equation for Estimation and Prediction

Not what you're looking for? Search our solutions OR ask your own Custom question.

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

Data on x = temperature rating (FÂ°) and y = price (\$) for 11 sleeping bags manufactured by Bergans of Norway provided the estimated regression equation Ã¿ = 359.2668 - 5.2772x. For these data s = 37.9372.

Model Rating Price
Ranger 3-Seasons 12 319
Ranger Spring 24 289
Ranger Winter 3 389
Rondane 3-Seasons 13 239
Rondane Summer 38 149
Rondane Winter 4 289
Senja Ice 5 359
Senja Snow 15 259
Senja Zero 25 229
Super Light 45 129
Tight and Light 25 199

a. Develop a point estimate of the price for a sleeping bag with a temperature rating of 30.

b. Develop a 95% confidence interval for the mean overall temperature rating for all sleeping bags with a temperature rating of 30.

c. Suppose that Bergans developed a new model with a temperature rating of 30. Develop a 95% prediction interval for the price of this new model.

https://brainmass.com/physics/temperature/estimated-regression-equation-estimation-prediction-468417

#### Solution Preview

Please see the attachment for the solution.

Estimated Regression Equation for Estimation and Prediction
Data on x = temperature rating (FÂ°) and y = price (\$) for 11 sleeping bags manufactured by Bergans of Norway provided the estimated regression equation Ã¿ = 359.2668 - 5.2772x. For these data s = 37.9372.
Model Rating Price
Ranger 3-Seasons 12 319
Ranger Spring 24 289
Ranger Winter 3 389
Rondane 3-Seasons 13 239
Rondane Summer 38 149
Rondane Winter 4 289
Senja Ice 5 359
Senja Snow 15 259
Senja ...

#### Solution Summary

The expert estimates regression equations for estimation and predictions.

\$2.49