Adding an irrelevant variable to a model generally O decreases the variances O increases the variances O does not affect the estimates O None of the above. of the remaining OLS estimators.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Adding an irrelevant variable to a model generally
O decreases the variances
O increases the variances
O does not affect the estimates
O None of the above.
of the remaining OLS estimators.
Transcribed Image Text:Adding an irrelevant variable to a model generally O decreases the variances O increases the variances O does not affect the estimates O None of the above. of the remaining OLS estimators.
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