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Test the claim that μ 1 > μ 2. Two samples are random, independent, and come...

Test the claim that μ 1 > μ 2. Two samples are random, independent, and come from populations that are normally distributed. The sample statistics are given below. Assume that o1 ≠ o2. Use α = 0.01.

n1=18 n2=13

x1=520 x2=505

s1=40   s2=25

Math   Statistics-And-Probability   
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Answer #1

since test statistic does not falls in rejection region we fail to reject null hypothesis
we do not have have sufficient evidence to conclude that population 1 mean is greater than population 2
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