History of Mean

	Revision 9 . . (edit) December 6, 2001 10:06 pm by (logged).153.190.xxx
	Revision 8 . . November 6, 2001 10:36 am by (logged).123.179.xxx [*added mean value of function.]
	Revision 7 . . (edit) November 6, 2001 5:41 am by (logged).195.169.xxx

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Difference (from prior major revision) (minor diff, author diff)

Changed: 10c10

For a data set, the mean is just the sum of all the observations divided by the number of observations.

For a data set, the mean is just the sum of all the observations divided by the number of observations.

Changed: 18c18,24

See also: Central tendency, Summary statistics, Descriptive statistics

The mean value of a function, f(x), on an interval, a < x < b, can also be calculated (using a limiting process on the data set definition) thus: b <f(x)> = (∫f(x)dx)/(b - a) a See also: Central tendency, Summary statistics, Descriptive statistics, Variance, Skewness, Kurtosis