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arithmetic mean (average)
The sum of
_ a series of observations divided by the number of observations.
Symbol: x. It can be calculated by the formula:
_
x =
∑ xi
n
Note:
All summations are taken from 1 to n. Note that the arithmetic mean is an_
unbiased estimate of the population mean, i.e. µ is the limiting value for x,
as n → ∞.
1994, 66, 599
IUPAC Compendium of Chemical Terminology
2nd Edition (1997)
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