Mathematics

Problem

The following distribution gives the ages (in years) of 40 employees of a small firm. The class intervals are in inclusive form.

Age (years)	5–9	10–14	15–19	20–24	25–29
Number of employees	4	7	15	6	8

Determine the median age of the employees. a)

18.0\ \text{years}

17.0\ \text{years}

17.5\ \text{years}

16.5\ \text{years}