Refer to the information given in Exercise 10.17. Test at a 1% significance level if 1 is
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n1 = 21 1 = 13.97 s1 = 3.78
n2 = 20 2 = 15.55 s1 = 3.26
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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 s...View the full answer
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