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Statistics: Finding the Range

In this worksheet, students calculate the range of a given set of data.

'Statistics: Finding the Range' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Mean, Median, Mode and Range

Difficulty level:  

Worksheet Overview

The RANGE is not a type of average, but it is useful to know along with an average.  

It simply shows how spread out the data is.

To calculate the range of a set of numbers we subtract the smallest number from the largest.

 

Example

Find the RANGE of this set of ten numbers:    5,  4,  8,  4,  3,  3,  8,  5,  1,  6

 

Answer

Step 1     The smallest number is 1 and the largest is 8.

Step 2     Subtract 8 - 1 = 7

 

The RANGE is 7

 

Note that the range is ONE number, not a span such as "from 1 to 8" or "1 - 8"

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