Pareto Charts

A Pareto chart combines a frequency histogram and cumulative frequency line graph. It dictates the 80/20 principle that 20% of the invested input is responsible for 80% of the results obtained. 

What is the 80/20 Rule?

The video below explains the 80/20 rule found in the Pareto principle.

How to Construct a Pareto Chart

The following videos explain how to construct a Pareto chart from a set of data and further discussion on the concept.

Part 1

Part 2

Part 3

Want to learn more? Check out more of our Preliminary Standard Maths resources here!