1. In a tax declaration form, respondents are asked to indicate their immigrant status. "Immigrant status" is an example of a ( 2pt) a. categorical variable. b. discrete quantitative variable. c. continuous quantitative variable. d. Either categorical or quantitative variable, depending on the respondent's answer. 2. The number of cars a showroom can sell a day is an example of a (2pt) a. categorical variable. b. discrete quantitative variable. c. continuous quantitative variable. d. Either categorical or quantitative variable, depending on the respondent's answer. 3. Consider Category proportions. The proportions across all categories must always add up to what value? (2 pt) a. N b. 1 c. n d. 100 e. None of the provided