The durations of a random sample of 16 commercials are below (in seconds). Find the mean, median, and mode of these durations.

30, 12, 26, 7, 14, 35, 20, 30, 55, 8, 35, 18, 42, 15, 30, 10

Select one:

a. Mean = 24.19, median = 30, mode = 23

b. Mean = 20.13, median = 21, mode = 35

c. Mean = 24.19, median = 23, mode = 30

d. Mean = 20, median = 24.19, mode = 30