Suppose that in Problem 13.31, t stat for testing the contribution of X 2 is 3.27. At
Question:
Suppose that in Problem 13.31, tstat for testing the contribution of X2 is 3.27. At the 0.05 level of significance, is there evidence that X, makes a significant contribution to the model?
Data From Problem 13.31:
Suppose X1 is a numerical variable and X2 is a dummy variable with two categories and the regression equation for a sample of n = 20 is
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Related Book For
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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