When the General Social Survey last asked the number of hours the respondent spent a week on housework (variable RHHWORK), the responses were summarized for females and males by
a. Identify the response variable and explanatory variable. Indicate whether each is quantitative or categorical.
b. A 95% confidence interval for the difference between the population means for females and males is (2.7, 5.9). Interpret.
c. The significance test comparing the two population means against the one-sided alternative that the population mean is higher for women has P-value = 0.000 rounded to three decimal places. Interpret.

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