The representation of numbers in graphs should be proportional to the numbers themselves. Otherwise, they mislead or deceive. Examples of misleading graphs not drawn to scale and a figure with ...

Explore how conversion graphs are used to change one unit into another with BBC Bitesize Maths. For students between the ages of 11 and 14.

For example, you could look at the daily sales of ice cream and the daily high temperature as the two variables at play in a graph and find a crude linear relationship between the two. What Is a ...