Averages: Mean, Median, Mode, Range

This lesson covers:

  1. How to calculate mean, median, mode, and range

The mean, median, mode, and range are all ways of summarising data.


  1. Mean: Total of all values รท number of values
  2. Median: The middle value
  3. Mode: The most common value
  4. Range: The difference between the highest and lowest values

Worked example: Mean


Calculate the mean of the values: 2, 7, 7, 3, 6.

Calculate the mean of the values: 7, 12, 3, 5, 3

6

0

/

1

Calculate the mean of the values: 17, 22, 26, 28, 29, 6, 12

20

0

/

1

Worked example: Mode


Calculate the mode of the values: 2, 7, 7, 3, 6.

Worked example: Median


Calculate the median of the values: 2, 7, 7, 3, 6.

Worked example: Range


Calculate the range of the terms 2, 7, 7, 3, 6.