Refer to the information given in Exercise 10.18. Test at a 5% significance level if 1 is
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n1 = 55 1 = 90.740 s1 = 11.60
n2 = 50 2 = 86.30 s1 = 10.25
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Step 1 H 0 1 2 0 H 1 1 2 0 Step 2 Since 1 and 2 are unknown but assumed to be equal the sample...View the full answer
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