Charts are graphical representation of data. The data is represented in using symbols, pictures, bars that form a bar graph, lines (in a graph), and slices (that form a pie chart). Charts include calendars, graphs, time tables, pictures, and maps. As a student, you should be able to understand line graphs, bar charts, histograms, pie charts, and maps.
Below are a number of exercises. It is important you read the charts carefully before you answer any questions.