The sample variance is an unbiased estimator of the


Question: 1. Define the central limit theorem.

2. Explain why the following statement is true : 11 = 11M·

3. The sample variance is an unbiased estimator of the population variance when we divide SS by df What does this mean?

4. The sampling distribution of sample variances approximates the shape of what type of distribution?

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Basic Statistics: The sample variance is an unbiased estimator of the
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