Suppose we run a regression on a data set of Xs and Ys and obtain a least
Question:
Suppose we run a regression on a data set of X’s and Y’s and obtain a least squares line of Y = 12 - 3X.
a. If we double each value of X, what is the new least squares line?
b. If we triple each value of Y, what is the new least squares line?
c. If we add 6 to each value of X, what is the new least squares line?
d. If we subtract 4 from each value of Y, what is the new least squares line?
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To answer these questions we need to understand how the coefficients of the least squares line chang...View the full answer
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Related Book For 
Managerial Statistics
ISBN: 9780534389314
1st Edition
Authors: S. Christian Albright, Wayne L. Winston, Christopher Zappe
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