The following frequency distribution presents the number of prior drug arrests for a sample of probationers and parolees who are enrolled in a drug testing program. Compute the mode, median, and mean for this distribution. Wrte a concluding statement concerning the mean and what it represents.

Number of Prior Drug Arrests for Probationers and Parolees

X F

10 1

9 2

7 2

6 6

5 16

4 16

3 24

2 59

1 128

0 311