Notations of mean

The mean symbol represents the function returning arithmetic mean or average of a data set or random variable.

Descriptions of this symbol

• OpenMath's sdata1/mean 
• See mean in Mathworld
• See mean in MathML3
• See mean in Wikipedia

Observations of mean

Put your observations here...

English

The arithmetic mean symbol is represented in the English book precalculus in page number 652.
Find the example in google books link

Spanish

We find in the Spanish book Matematicas para las ciencias aplicadas that the arithmetic mean is shown in page number 544
and it is called 'Media aritmética' in Spanish context.
Find the example in google books link

Encoding the observations of mean

See encodings