(KS2, Year 5)
Quantitative data is data
that is described in numbers.
Quantitative data can be counted or measured.
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
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).
Other Types of Data
Quantitative data is only one type of data
The other type of data is qualitative data
. This is data described in words.
Another name for quantitative data is numerical data. Numerical means related to numbers.
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Types of data
Types of data
What is qualitative data?