X Bar Symbol
The x bar symbol is used in statistics to represent the sample mean of a distribution.
| Symbol | Format | Data |
|---|---|---|
| x̄ | Unicode | |
| TeX | |
|
|
SVG |
Usage
Arithmetic Mean | Formula
The arithmetic mean, also called the sample mean, is the average of a sample space. To calculate the arithmetic mean sum all the data points in a sample space and then divide by the number of elements.
Sample Standard Deviation | Formula
The sample standard deviation formula is denoted by the greek lower case sigma symbol in the case of the population and the latin letter s for the sample.