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    Hypothesis testing on a student investigation

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    A student investigated whether husbands tend to be older than their wives when they marry. The following data are from a dependent sample of 24 couples who obtained their marriage licenses in Cumberland County, Pennsylvania, in 1993.

    Using an appropriate two-sample test and a significance level of , determine whether these sample data provide evidence that the population mean age of husbands exceeds that of wives. You must state the hypotheses, determine the test statistic, and either the P-value(s) or critical value(s). Finally, you must clearly state your conclusion. Round all answers to two decimal places.

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