Solution-What is the smallest value a variance can be

Assignment Help Basic Statistics

Question: Consider the following questions concerning the sample variance:

a. Is it possible for a variance to be negative? Explain.

b. What is the smallest value a variance can be? Under what conditions does the variance equal this smallest value?

c. Under what conditions is the sample variance smaller than the corresponding sample standard deviation?

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What is the smallest value a variance can be : What is the smallest value a variance can be? Under what conditions does the variance equal this smallest value?

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