To monitor campus security, the campus police office is taking a ...

[gbarreiro]

To monitor campus security, the campus police office is taking a survey of the number of students in a parking lot each 30 minutes of a 24-hour period with the goal of determining when patrols of the lot would serve the most students. If X is the number of students in the lot each period of time, then X is an example of
 
  A) a categorical variable. B) a statistic.
  C) a continuous variable. D) a discrete variable.

Question 2

Which of the following is a continuous quantitative (numerical) variable?
 
  A) the number of employees of an insurance company
  B) the number of gallons of milk sold at the local grocery store yesterday
  C) the amount of milk in a 2-liter carton
  D) the color of a student's eyes

[mcomstock09]

Answer to Question 1

D

Answer to Question 2

C