Numbers don't lie, but a bad chart decision makes it extremely difficult to understand what those numbers mean. Before you put together another PowerPoint presentation, make sure your pick the ...

How to use a map in your writing How to use different types of graphs and charts What a key, scale and axes are This resource is suitable for informative writing for P2, P3, P4, P5, P6 and P7 ...

We judge the value of a point on a line by its position along a scale. This judgment does not depend on zero. Even if you think you judge a bar graph by the position of the top of the bar ...