Multiple Choice
It is often times necessary to make reference to a base group in regression analysis, which denotes what?
A) The preferred selection of control variables to have in the regression equation.
B) The set of homoscedastic errors.
C) The excluded dummy variable among a set of dummy variables representing a categorical, ordinal or interval variable.
D) The control group in a randomized control trial.
Correct Answer:

Verified
Correct Answer:
Verified
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