Statistics (II)

Mathematics SSS 1 Third Term

WEEK 9

Statistics (II)

Performance Objectives

Students should be able to;

  1. Calculate sectorial angles
  2. Draw pie chat correctly
  3. 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

  1. A comparison of traffic densities in a number of countries produced the following results.
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