Statistics (II)
Mathematics SSS 1 Third Term
WEEK 9
Statistics (II)
Performance Objectives
Students should be able to;
- Calculate sectorial angles
- Draw pie chat correctly
- Interpret data using Pie Chat
Line Graph
Content
Line graphs are used to show trends over a period of time and have the advantage that they can be extended. To draw a line graph, plot the given data as a series of points and then join the points together by straight lines. The lines can be drawn vertically or horizontally and have no thickness.
Examples
- A comparison of traffic densities in a number of countries produced the following results.