Suppose you fit the first-order multiple regression model to n = 25 data points and obtain the

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Suppose you fit the first-order multiple regression model to n = 25 data points and obtain the prediction equamil

= 6.4 + 3.1~~ + .92x, The estimated stand_ard deviations of the sampling distributions of Dl and p, are 2.3 and .27, respectively.

a. Test H,,: p, = 0 against Ha: p, > 0. Use a = .05.

b. Test H,,: p, = 0 against Ha: p, # 0. Use a = .05.

c. Find a 90% confidence interval for PI. Interpret the interval.

d. Find a 99% confidence interval for P,. Interpret the interval.

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Statistics For Business And Economics

ISBN: 9780130272935

8th Edition

Authors: James T. McClave, Terry Sincich, P. George Benson

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Question Posted: Jul 19, 2024 06:04 PM

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Suppose you fit the first-order multiple regression model to n = 25 data points and obtain the

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Statistics For Business And Economics

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