Frequency Distribution
Jakob Jenkov |
A frequency distribution of a data set counts the occurrences of each value in the data set. The number of occurrences of a value is called the frequency of that value. The frequency distributions thus shows how the values in the data set are distributed.
Frequency Distribution Example
Let me show you a frequency distribution example to help illustrate what it looks like. First, here is an example data set:
1,1,1,2,2,3,3,6,6,8,9,9,10
The frequency distribution of this data set looks like this:
Value | Frequency |
---|---|
1 | 3 |
2 | 2 |
3 | 2 |
6 | 2 |
8 | 1 |
9 | 2 |
10 | 1 |
Visualizing Frequency Distributions With Histograms
You can visualize a frequency distribution with a historgram. Here is a histogram showing the frequency distribution of the example data set:

Next: Mean Deviation
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Jakob Jenkov |