## Introduction

Statistics is the practice or science of collecting and analyzing numerical data in large quantities, especially for the purpose of inferring proportions in a whole from those in a representative sample. A statistic is a function that reduces a large amount of information to a small amount.

## Use

### Example

The average is a single number that summarises the typical "location" of a set of numbers.

Statistics can measure the central tendency of the data or the dispersal of the data for example.