The ages of people signed up for piano lessons are listed.
11, 16, 15, 9, 19, 12, 13, 13, 11, 11, 18, 17
What is the mode of the ages?
A
12
B
15
C
13
D
11
The ages of people signed up for piano lessons are listed.
11, 16, 15, 9, 19, 12, 13, 13, 11, 11, 18, 17
What is the mode of the ages?
A
B
C
D