Question: In order to conduct a hypothesis test for the population variance, you compute s 2 = 75 from a sample of 21 observations drawn from

In order to conduct a hypothesis test for the population variance, you compute s² = 75 from a sample of 21 observations drawn from a normally distributed population. Use the critical value approach to conduct the following tests at α = 0.10.

a. H₀: ????² ≤ 50; H_A: ????² > 50

b. H₀: ????² = 50; H_A: ????² ≠ 50

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