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lizsmith lizsmith
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Test the hypothesis that μ1 < μ2. Two samples are randomly selected from each population. The sample statistics are given below. Use α = 0.05.
n1 = 35 n2 = 42
1 = 20.31 2 = 22.86
s1 = 2.9 s2 = 2.8
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Statistics: Informed Decisions Using Data

Statistics: Informed Decisions Using Data


Edition: 5th
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