Frequency Table
See how to make and read a frequency table.
2 examples and their solutions.
Frequency Table
Example
For the given values below, make a frequency table.
Use 5 intervals starting from 50-59.
81, 56, 74, 52, 78, 81, 77, 91, 85, 60,
75, 69, 97, 84, 70, 67, 80, 74, 74, 88
Solution Use 5 intervals starting from 50-59.
81, 56, 74, 52, 78, 81, 77, 91, 85, 60,
75, 69, 97, 84, 70, 67, 80, 74, 74, 88
81, 56, 74, 52, 78, 81, 77, 91, 85, 60,
75, 69, 97, 84, 70, 67, 80, 74, 74, 88
[1]
75, 69, 97, 84, 70, 67, 80, 74, 74, 88
Interval | Frequency |
---|---|
50-59 | 2 |
60-69 | 3 |
70-79 | 7 |
80-89 | 6 |
90-99 | 2 |
[1]
50-59
Count the number of the values in 50-59.
56, 52 → Frequency: 2
...
Count the number of the values in 50-59.
56, 52 → Frequency: 2
...
Close
Example
For the given frequency table,
find the number of values that are less than 80.
Solution find the number of values that are less than 80.
Interval | Frequency |
---|---|
50-59 | 2 |
60-69 | 3 |
70-79 | 7 |
80-89 | 6 |
90-99 | 2 |
Interval | Frequency |
---|---|
50-59 | 2 |
60-69 | 3 |
70-79 | 7 |
80-89 | 6 |
90-99 | 2 |
2 + 3 + 7 = 2 + 10
= 12
Close