When the intercept in a regression equation is deemed not significantly different from 0, then in making predictions for y, 0.0 should be used as the value of the intercept rather than the estimated intercept value.

Question

Quizplus · Accepted Answer

The intercept being not significantly different from 0 does not imply it should be set to 0.0 for predictions. The estimated intercept, even if small or statistically insignificant, is part of the model derived from the data and should be used as is for predictions.

When the Intercept in a Regression Equation Is Deemed Not