Question

A used car dealership categorizes its salespeople by the number of cars sold per year, with the categories being 0-8, 9-16, 17-24, and 25 or more. if the following data represents the numbers of cars sold by its salespeople last year, how many salespeople were in the 9-16 category?

Answer 1

The missing data was 2, 31, 29, 5, 14, 7, 10, 25, 3, 22.

  0  -  8 ⇒ 2, 5, 7, 3  ⇒ 4
  9  -16 ⇒ 14, 10      ⇒ 2
17  -24 ⇒ 22            ⇒ 1
25 and more ⇒ 31, 29, 25 ⇒ 3 

There were 2 sales people who were in the 9-16 category.