Question

You have a random sample of 500 population members from each of two populations and you want to set up a test for the following hypotheses: H0: μ1 – μ2 < 0 Ha: μ1 – μ2 > 0
a. Suppose the sample results are: 1 = .31 and 2 = .25. Compute pooled.
b. Calculate the sample statistic, z stat.
c. Using a significance level of .05, determine the critical zscore for the test, state your decision rule and report your decision.


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  • CreatedJuly 16, 2015
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