Averages
Test your understanding of averages with this self marking quiz about mean, median and range.
Choose Your Average
This is a game for two players. You should know how to find the mean, median and range of a set of numbers.
StatGrid Challenge
Arrange the numbers one to nine in a three by three grid to obtain the given means, medians and ranges.
Cumulative Frequency
Online exercises on cumulative frequency for discrete and grouped data with exam-style questions.
Box Plots
An exercise on reading and drawing box-and-whisker diagrams which represent statistical data.
Standard Deviation
Find how 'spread out' data is by estimating and calculating this measure of dispersion.
This is the main Transum help video on Averages.
Averages Video
Revise how to calculate the mean, median, mode and range from lists and frequency tables.
It's not hard (Averages song)
A really zany video revising mean, median, mode and range
Mean, Median and Mode Song
A free trial lesson from Math Upgrade dot com.
Centre and Variability
Make sense of and determine the reasonableness of the mean and median of a data set by looking at the values.
Average Smile
Calculate the mean, median and range of the given scores.
Chin-Ups
Work out the number of chin ups the characters do on the last day of the week give information about averages.
Choc Bar Chart
Interpret data given in the form of a bar chart then create a new bar chart showing the given statistics.
Five Digits
Five digits have the same mean, median, mode and range.
House Numbers
The numbers on five houses next to each other add up to 70. What are those five numbers?
14 items are currently in this category.
Teachers might find the complete Averages Topic List useful.
"Average" is a very general term that is used commonly in everyday English and most people have an idea what it means. Mathematicians like to be a little more precise however and have come up with a number of different ways of finding a measure of central tendency.
Pupils at school should develop their understanding of averages so that they can more precisely communicate information to others and are not misled by statistics presented in a way to distort the facts.
Pupils should understand and use the mean of discrete data. They should be able to compare two simple distributions using the range and one of the mode, median or mean.
See also the topics called Data Handling and Statistics.
