Why Is It Important to Divide by Df to Compute

question 60

Multiple Choice

Why is it important to divide by df to compute sample variance?

• A) Doing so makes the sample variance an unbiased estimator of the population variance.
• B) Doing so ensures that the value for sample variance varies between 0 and 1.
• C) Doing so minimizes the likelihood that the sample variance will be a negative value.
• D) It is not important; there is no advantage for dividing by df.

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