)Why Does the Denominator Of $\sigma$ ₂ Need to Be the Same as the Degrees of the Same

question 5

Multiple Choice

) Why does the denominator of $\sigma$ ₂ need to be the same as the degrees of freedom in the model?

• A)so we will know how the estimate is distributed if H_o is true
• B)so we can extrapolate the results to other values of x
• C)so that the root MSE will be a positive number
• D)so the estimator will be unbiased

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