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 discrete variable.
C)a continuous variable.
D)a statistic.

Question

Quizplus · Accepted Answer

X is a count of the number of students in the parking lot, and can only take on discrete values (i.e. whole numbers). Therefore, X is an example of a discrete variable.

To Monitor Campus Security,the Campus Police Office Is Taking a Survey