Determining which variables to include in regression analysis by estimating a series of regression equations by successively adding or deleting variables according to prescribed rules is referred to as _____ regression.
A)elimination
B)forward
C)backward
D)stepwise

Question

Quizplus · Accepted Answer

Stepwise regression involves both the addition and removal of predictor variables in a regression model to identify a subset of variables that best predict the outcome. It combines aspects of both forward and backward regression methods, adding variables based on their statistical significance, and removing those that do not contribute meaningfully to the model's predictive power.

Determining Which Variables to Include in Regression Analysis by Estimating