Step 3. Propose the two research questions and hypotheses! Since we're evaluating a difference between groups, the two research questions will be: o 1. Hypothesis testing: Is there a mean difference...

Using age as the quantitative variable and marital status (married/not married) as the categorical. Develop two research questions.

Extracted text: Step 3. Propose the two research questions and hypotheses! Since we're evaluating a difference between groups, the two research questions will be: o 1. Hypothesis testing: Is there a mean difference in [the quantitative variable] between [the two groups from the categorical variable], in the larger population of [whatever the situation is]? o 2. Estimation: What is the size of the mean difference in [the quantitative variable] between [the two groups from the categorical variable], in the larger population of [whatever the situation is]? Propose the null and alternative hypotheses fora two-group difference in means