Question: A random sample of n = 12 is drawn from a population that is normally distributed, and the sample variance is s2 = 19.3. Use

A random sample of n = 12 is drawn from a population that is normally distributed, and the sample variance is s2 = 19.3. Use α = 0.025 in testing H0: σ2 ≤ 9.4 versus H1: σ2. 9.4.

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