# Question: a The sample variance of a random sample of 50

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 σ2 is less than 100?

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

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

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

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

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