Lesson Plan: Cumulative Frequency Graphs: Median and Quartiles
This lesson plan includes the objectives and prerequisites of the lesson teaching students how to find the median, upper and lower quartiles, and interquartile range from a cumulative frequency graph.
Objectives
Students will be able to
- draw a cumulative frequency graph from a cumulative frequency table,
- estimate the median from a cumulative frequency graph,
- estimate the upper and lower quartiles from a cumulative frequency graph,
- estimate the interquartile range from a cumulative frequency graph.
Prerequisites
Students should already be familiar with
- cumulative frequency tables,
- medians.