You have fit a linear regression model to a sample of 20 observations. The total sum of
Question:
You have fit a linear regression model to a sample of 20 observations. The total sum of squares is 100 and the regression sum of squares is 80 . The estimate of the error variance is
a. 1.5
b. 1.2
c. 2.0
d. 1.88
e. None of the above.
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Related Book For 
Introduction To Linear Regression Analysis
ISBN: 9781119578727
6th Edition
Authors: Douglas C. Montgomery, Elizabeth A. Peck, G. Geoffrey Vining
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