You are given the following set of data: y x1 x2 x3 45 40 41 39 41
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You are given the following set of data:
y x1 x2 x3 45 40 41 39 41 31 41 35 43 45 49 39 38 43 41 41 50 42 42 51 39 48 40 42 50 44 44 41 y x1 x2 x3 45 42 39 37 43 37 52 41 34 40 47 40 49 35 44 44 45 39 40 45 40 43 30 42 43 53 34 34
a. Determine the appropriate correlation matrix and use it to predict which variable will enter in the first step of a stepwise regression model.
b. Use standard stepwise regression to construct a model, entering all significant variables.
c. Construct a full regression model. What are the differences in the model? Which model explains the most variation in the dependent variable?
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780136121015
8th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith
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