Complete the following:
A researcher discovers the number of parking tickets that a group of students have received during their driving careers.
Twenty students reply and they have received between 9 and 20 parking tickets.
Q: Create a histogram (frequency distribution graph) of the data.
9
9
10
11
11
12
12
12
13
13
14
15
16
17
17
17
18
19
20
20