## The Lesson

Quantitative data is data that is described in numbers. Quantitative data can be counted or measured.

## Dictionary Definition

The Oxford English Dictionary defines quantitative as "relating to or concerned with quantity or its measurement."

## Real Examples of Quantitative Data

• A teacher collects the test scores of their class. The test scores of the pupils are quantitative data. You can count the test scores of each pupil and express it as a number. • A person measures the heights of other people. The people's heights are quantitative data. You can measure a height and express it as a number. ## Types of Quantitative Data

There are two types of quantitative data: discrete and continuous data.
• Discrete data can only take certain values. It can (often) be counted. Test scores are an example of discrete data. A student can only get a whole number of marks. (They can not get 5⅘, for example).
• Continuous data can take any value (within a range). Continuous data can (often) be measured.
• Heights are an example of continous data. A height does not have to be a whole number of inches (69 inches or 70 inches). It can fall inbetween (69 and 3/8ths of an inch, for example).