You have a random sample of 500 population members from each of two populations and you want
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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: p̅1 = .31 and p̅ 2 = .25. Compute p̅ 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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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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