Perform a backwards selection process. Select the variable that would be removed first from the model. The significance level is 0.05 for testing purposes. attendance exam2 exam1
Perform a backwards selection process. Select the variable that would be removed first from the model. The significance level is 0.05 for testing purposes. attendance exam2 exam1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 37E
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Question
Suppose that a multiple linear regression model was fit to data and that the following output resulted:
Coefficients: | ||||
(Intercept) exam1 exam2 attendance |
Estimate 20.00 1.300 2.500 0.685 |
Std. Error 4.291 0.261 0.274 5.608 |
t value -4.660 4.981 9.124 0.122 |
Pr(>|t|) <0.0001 <0.0001 <0.0001 0.9032 |
Perform a backwards selection process. Select the variable that would be removed first from the model. The significance level is 0.05 for testing purposes.
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