The following information was obtained from two independent samples selected from two populations with unequal and unknown
Question:
The following information was obtained from two independent samples selected from two populations with unequal and unknown population standard deviations.
n1 = 48 x̅1 = .863 s1 = .176
n2 = 46 x̅2 = .796 s2 = .068
Test at a 2.5% significance level if μ1 is greater than μ2.
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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 unequ...View the full answer
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