The estimated value of a coefficient in a linear regression equation is statistically significant if it is:

Question

Quizplus · Accepted Answer

A coefficient is considered statistically significant if its magnitude is large enough relative to its variability, which is reflected in the standard error. A general rule of thumb is that a coefficient is considered statistically significant if its absolute value is at least two times the standard error. Therefore, choice B is the best answer.

The Estimated Value of a Coefficient in a Linear Regression