The best example of a null hypothesis for testing an individual regression coefficient is: A) H₀: $\beta$₁= $\beta$₂= $\beta$₃= $\beta$₄. B) H₀: $\mu$₁= $\mu$₂= $\mu$₃= $\mu$₄. C) H₀: $\beta$₁= 0. D) if F is greater than 20.00 then reject.

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The null hypothesis for testing an individual regression coefficient is that the coefficient is equal to 0. Choice C presents the null hypothesis in the correct format. Choices A and B are not in the correct format and do not make sense. Choice D is not a null hypothesis, but rather a significance level for rejecting the null hypothesis.

The Best Example of a Null Hypothesis for Testing an Individual