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A statistic is a numerical description of a sample.

Also known as

A statistic can be called a sample statistic to emphasize the distinction between a statistic and a population parameter.

Another word for statistic is datum.

In the plural, statistics (as used in this context) are also known as data.

The word data is more commonly encountered than statistics, as the latter word is also used to mean the mathematical discipline as opposed to these particular elements.

Discrete Data

Data which can be described with a discrete variable are known as discrete data.

Continuous Data

Data which can be described with a continuous variable are known as continuous data.

Raw Data

Raw data are collected data which have not been organized or analysed in any way.