Dictionary:Variance

ADVERTISEMENT
From SEG Wiki
Revision as of 04:21, 5 May 2017 by Larablazevic (talk | contribs) (Marked this version for translation)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Other languages:
English • ‎español


The square of the standard deviation , a measure of dispersion about the mean, a measure of the width of the probability distribution for a single random variable. The average squared difference of each observation from the mean.

,


where n is the number of samples. Covariance involves more than one random variable. See statistical measures.