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Finding the Mean from Frequency Tables

In this worksheet, students review how to find the mean from frequency tables.

'Finding the Mean from Frequency Tables' worksheet

Key stage:  KS 3

Curriculum topic:   Statistics

Curriculum subtopic:   Construct/Interpret Appropriate Representations for Data

Difficulty level:  

Worksheet Overview

This worksheet is about finding the mean from a frequency table.

Example

The table gives the test marks out of 6 for a class of 30 children.

F x X is worked out for you.


Calculate the mean mark.
 

Marks (X) Frequency (F) F x X
0 1 0 x 1 = 0
1 0 1 x 0 = 0
2 1 2 x 1 = 2
3 8 3 x 8 = 24
4 15 4 x 15 = 60
5 10 5 x 10 = 50
6 4 6 x 4 = 24
Totals 30 160
Mean = 160  = 5.3
30

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