A sample of size 101 from a normal population has sample standard deviation s 40 The lower and upper 0 025 points of the 2 100 distribution are 2 100, 0 975 74 222 and 2 100, 0 025 129 561 Use these values to construct a 95 confidence interval for

Question: A sample of size 101 from a normal population has sample standard deviation s = 40. The lower and upper 0.025 points of the

A sample of size 101 from a normal population has sample standard deviation s = 40. The lower and upper 0.025 points of the χ²₁₀₀ distribution are χ²_{100, 0.975} = 74.222 and χ²_{100, 0.025} = 129.561. Use these values to construct a 95% confidence interval for σ.

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