# What is a five number summary?

Jul 29, 2018

A five-number summary is the 5 values from the data displayed on a boxplot/box-and-whisker plot.

#### Explanation:

The five-number summary consists of:

• Minumum: lowest value/observation
• Lower quartile or Q1: "median" of the lower half of data; lies at 25% of data
• Median: middle value/observation
• Higher quartile or Q3: "median" of the upper half of data; lies at 75% of data
• Maximum: highest value/observation

Here's an example:

Hope this helps!