5. (10%) Suppose S² = 42 and S2 = 12 are sample variances obtained by samples of sizes n₁ = 8 and n₂ = 10 collected from
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5. (10%) Suppose S² = 42 and S2 = 12 are sample variances obtained by samples of sizes n₁ = 8 and n₂ = 10 collected from
5. (10%) Suppose S² = 42 and S2 = 12 are sample variances obtained by samples of sizes n₁ = 8 and n₂ = 10 collected from two independent normal populations. Test the hypotheses Ho: o/o² = 3 against Hoo2²2 >3. a
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