#
notes

Mean

# Mean

## Definition

###### Definition

The **mean** of a population? or a sample? of a population is a measure of central tendency. For data $x_i$, it is defined as

$\bar{x} = \frac1n \sum x_i$

## Spreadsheet

In a spreadsheet, the formula to calculate the mean of a range? is:

`=average(<range>)`

Created on October 13, 2017 01:08:52
by

Loopspace?
(81.109.85.228)