Given the following null and alternative hypotheses H0 2 50 HA 2 50 a Test when n 12, s 9, and 0 10 Be certain to state the decision rule b Test when n 19, s 6, and 0 05 Be certain to state the decision rule

Question: Given the following null and alternative hypotheses H0: 2 = 50 HA: 2 50 a. Test when n = 12, s = 9, and

Given the following null and alternative hypotheses
H0: σ2 = 50
HA: σ2 ≠ 50
a. Test when n = 12, s = 9, and α = 0.10. Be certain to state the decision rule.
b. Test when n = 19, s = 6, and α = 0.05. Be certain to state the decision rule.

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a The random sample consists of n 12 observations so df 11 The sample variance is s 2 9 2 81 The te... View full answer

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