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A. The sample variance of a random sample of 50 observations from a normal population was found to be s2=80 . Can we infer at

A. The sample variance of a random sample of 50 observations from a normal population was found to be s2=80 . Can we infer at the 1% significance level that 2 is less than 100?

B. Repeat part (a) increasing the sample size to 100.

C. What is the effect of increasing the sample size?

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