Results

This online resource discusses the distribution of earth's water.

Video 1: What are frequency polygons?
Video 2: Examples of frequency polygons
Video 3: Further examples of frequency polygons

By the end of this unit you will be able to:

• Calculate measures of central tendency and percentiles on grouped data.
• Construct a frequency polygon.
• Construct a line graph.

This video explores how to find the mean from data in a table.

This video explores the histogram: which is one of the ways in which to present data.

Video 1: How to create a line graph based on data
Video 2: Examples of different line graphs
Video 3: Further examples of line graphs

This video introduces you to the concept of ratios.

This YouTube video will guide you through a fun activity where you will draw the earth's continents and oceans.

This video explains how pie charts can be used to display data in a more 'user-friendly' way.

This video explains how to plot straight line graphs.