Finding the mean, mode, median and range

ntroduction

The mean is found by adding up all the data and dividing by how many pieces of data there are.

The median is the middle value when the data is put in order of size.

The mode is the most common piece of data. You are allowed up to two modes if data is tied for the most common.

How to find the mean, median, mode and range of a set of data

Example 1 - Finding the mean

A football fan records how many goals his team scored in their last 15 football matches. Here are the results:

2, 3, 0, 0, 1, 3, 4, 2, 5, 0, 1, 1, 2, 1, 1

What is the mean average number of goals scored? Give your answer to one decimal place.

First add up all the pieces of data to find the…