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Frequency Distribution Tables, Revision Notes

Frequency Distribution Tables

Data is often summarised using a frequency distribution

Value

1

2

3

4

Frequency

3

4

2

2

The top line is a list of the values and the second line is a list of the frequencies. A frequency being the number of times that a value occurred

The modal class is the class interval with the highest frequency. In the example above the modal class would be our interval with value 2 as it has the highest frequency of 4

A grouped frequency distribution displays the values in groups

Value

0-...

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