Question: Claim: < 40; = 0.01. Sample statistics: s = 40.8, n = 12 Test the claim about the population variance 2 or standard

Claim: σ < 40; α = 0.01. Sample statistics: s = 40.8, n = 12
Test the claim about the population variance σ2 or standard deviation σ at the level of significance α. Assume the population is normally distributed.

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