Question

Researchers are conducting a state-wide survey for the U.S Postal Service. The survey records many different variables of interest. Which of these is categorical? Select one: O a. Number of people, both adults and children, living in the household. O b. Total household income, before taxes. O c. county of residence. O d. Age of respondent. When displaying the distribution of a quantitative variable a statistician could use a Select one: O a. histogram O b.all of these answers are correct O c. boxplot O d. stem-and-leaf plot

Answer 1