The number of hours a group of contestants spent preparing for a quiz show are listed below. What is a frequency table that represents the data?
8 12 25 32 45 50 62 73 80 99 4 18 9 39 36 67 33
A. Hour | Frequency
------------|----------
0-9 | 3
10-19 | 2
20-29 | 1
30-39 | 4
40-49 | 1
50-59 | 1
60-69 | 2
70-79 | 1
80-89 | 1
90-99 | 1
B. Hour | Frequency
------------|----------
0-9 | 2
10-19 | 3
20-29 | 1
30-39 | 3
40-49 | 2
50-59 | 1
60-69 | 2
70-79 | 1
80-89 | 1
90-99 | 1
C. Hour | Frequency
------------|----------
0-9 | 4
10-19 | 1
20-29 | 0
30-39 | 4
40-49 | 2
50-59 | 1
60-69 | 2
70-79 | 1
80-89 | 1
90-99 | 1
D. Hour | Frequency
------------|----------
0-9 | 3
10-19 | 2
20-29 | 1
30-39 | 4
40-49 | 1
50-59 | 1
60-69 | 2
70-79 | 1
80-89 | 1
90-99 | 2
B. Hour | Frequency
------------|----------
0-9 | 2
10-19 | 3
20-29 | 1
30-39 | 3
40-49 | 2
50-59 | 1
60-69 | 2
70-79 | 1
80-89 | 1
90-99 | 1