  # Finding the Mean from Frequency Tables

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