Frequency Polygons and Line Graphs
By the end of this unit you will be able to:
- Calculate measures of central tendency and percentiles on grouped data.
- Construct a frequency polygon.
- Construct a line graph.
By the end of this unit you will be able to:
This video explores how to find the mean from data in a table.
In this course you will learn about:
This video explores the histogram: which is one of the ways in which to present data.
Video 1: How to construct a copy of an angle
Video 2:
Video 3: Common mistakes made when constructing an angle as a copy of another
Video 1: How to construct angles of a given measurement using paper and a protractor
Video 2: How to construct angles of a given measurement using a compass
Video 3: Examples of constructing angles of specific measurements
Video 4: Common mistakes made when constructing angles of specific measurements
Video 1: How to create a line graph based on data
Video 2: Examples of different line graphs
Video 3: Further examples of line graphs
To lay the foundation for understanding what trigonometry is and how it works, do this next activity.
This video explains how pie charts can be used to display data in a more 'user-friendly' way.
This video explains how to plot straight line graphs.