Find the mode.

19, 1, 17, 19, 3, 20, 5, 2

A. 10.75

B. 11

C. 19

D. 20

The answer is C. 19

Rearrange the series from the lowest to the highest value:

1, 2, 3, 5, 19, 19, 20

The mode is the value that occurs most frequently. Number 19 is found twice, so it is the mode.