For example:
In the following the sample, the frequency of 2 is 3.
1 , 1 , 2 , 5 , 6 , 2 , 9 , 5 , 7 , 5 , 2 , 5 , 9 , 5
Count the number of times 2 appears.
Frequency is important for presenting data in tables or charts, and in calculating probability (relative frequency).
The value that occurs with the most frequency is the mode.
