What is the null hypothesis when performing an F-test to test the strength of an instrument?
A)the instrument is weak,with no $\theta$ different from 0.
B)it is a strong instrument with all $\theta$significantly different from 0.
C)the instrument is sufficiently strong with at least 1 $\theta$significantly different from 0.
D)the instrument is weak with all $\theta$different from 0.

Question

Quizplus · Accepted Answer

The null hypothesis in an F-test for testing the strength of an instrument typically posits that the instrument is weak, meaning it does not explain a significant amount of the variation in the dependent variable.

What Is the Null Hypothesis When Performing an F-Test to Test