15. Strawberries III The following data (Exercise 16, Section 12.2) were obtained in an experiment relating the

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15. Strawberries III The following data

(Exercise 16, Section 12.2) were obtained in an experiment relating the dependent variable y (texture of strawberries) with x (coded storage temperature).

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a. Estimate the expected strawberry texture for a coded storage temperature of x521. Use a 99% confidence interval.

b. Predict the particular value of y when x51 with a 99% prediction interval.

c. At what value of x will the width of the prediction interval for a particular value of y be a minimum, assuming n remains fixed?

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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