The following information was obtained from two independent samples selected from two normally distributed populations with unequal
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The following information was obtained from two independent samples selected from two normally distributed populations with unequal and unknown population standard deviations.
n1 = 14 x̅1 = 109.43 s1 = 2.26
n2 = 15 x̅2 = 113.88 s2 = 5.84
Test at a 5% significance level if the two population means are different.
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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 unequal the sam...View the full answer
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