# Measures of Variability : Range

If we are given a list of data find the largest and smallest number and subtract them.

14, 15, 13, 11, 17, 12, 18

18 - 11 = 7

If you are given a stem and leaf plot:

key 2|3 = 23

57 - 23 = 34

If you are given a box and whisker plot:

Min Max

Max - Min = 31 - 14 = 17

**: Regardless of the way the data is given the**

*Quickly sum it up***range**is the largest number minus the smallest number.

Related Links:Math algebra Parts of An Expression Positive and Negative Integer Exponents |

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