The Psychology of Quality and More

A Toolbook for Quality Improvement and Problem Solving (contents)

Line Graph

The Quality Toolbook > Line Graph

When to use it | How to understand it | Example | How to do it | Practical variations

<-- Previous chapter | Next chapter -->
 Next part of this chapter -->

The Line Graph is used to show patterns of change in a sequence of measurements.

• When to use it: Situations when it is useful.
• How to understand it : Details of how it works.
• Examples : Some examples of usage.
• How to do it : Step-by-step instructions on using it.
• Practical variations : Variants and variation.

Notes

Line Graphs which plot events over time are also called Run Charts. They are sometimes considered as being one of the first seven tools (often in the general category of 'graphs').