Ms. campbell recorded the number of cars each salesperson at her dealership sold last week.

which of these statements is true?

a. the mean of the data summarizes the number of cars each salesperson sold last week.

b. the interquartile range of the data describes the change in the total number of cars sold last week.

c. the mean absolute deviation of the data summarizes the number of cars each salesperson sold last week.

d. the median of the data describes how the number of cars sold last week by each salesperson varies.