A top Internet site features used cars for sale. The age, x, measured in years and the

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A top Internet site features used cars for sale. The age, x, measured in years and the price, y, expressed in thousands of dollars was recorded from a sample of listings for a popular midsize foreign car.
A top Internet site features used cars for sale. The

(a) Plot the scatter diagram.
(b) Determine the equation of the least squares regression line and draw this line on the scatter diagram.
(c) Construct a 95% confidence interval for the slope of the regression line.

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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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