# 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 Zero 25 229

Super Light 45 129

Tight and Light 25 199

Round your answers to 2 decimal places.

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.

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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.