Exam 10: Statistical Inference About Means and Proportions With Two Populations
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A recent Time magazine reported the following information about a sample of workers in Germany and the United States.
We want to determine whether or not there is a significant difference between the average workweek in the United States and the average workweek in Germany.
a.State the null and the alternative hypotheses.
b.Compute the test statistic.
c.Compute the p-value.What is your conclusion?

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