For the following data set: a. Construct the multiple regression equation b. Predict the value of y

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For the following data set:image text in transcribed

a. Construct the multiple regression equationimage text in transcribed

b. Predict the value of y when x1 = 5.2, x2 = 9.1, x3 = 8.7, x4 = 2.8.

c. What percentage of the variation in y is explained by the model?

d. Is the model useful for prediction? Why or why not? Use the α = 0.01 level.

e. Test H0: β1 = 0 versus H1: β1 ≠ 0 at the α = 0.05 level. Can you reject H0? Repeat for β2 and β3.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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