Test the claim about the difference between two population means 4 and 2 at the level of significance a. Assume the samples are random and independent, and the populations are normally distributed Claim: 42; =0,01 Population statistics: o, = 3.6, 02 = 1.4 Sample statistics: x, = 14, n, =27, x2 = 12, n2 29 %3D Dotermine the alternative hypothesis. Ha: 12

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A:

Q: Describe Extra Sensitivity of One-Tailed Tests.

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A:

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A:

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A: Given  mu=7.9, n=40, Xbar=8.1, alpha=0.05,sigma=sd=0.5

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A:

Q: e of the test statistic for a test with a null hypothesis that mu = 98.6, Xbar = 99.4, the sample…

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A:

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