Sigma: Difference between revisions
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imported>Doug Williamson m (Spacing 20/8/13) |
imported>Doug Williamson (Link with Six sigma page.) |
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== See also == | == See also == | ||
* [[Mu]] | * [[Mu]] | ||
* [[Six sigma]] | |||
* [[Standard deviation]] | * [[Standard deviation]] |
Revision as of 20:04, 13 December 2013
1.
The lower-case Greek letter 'σ' - equivalent to the English small letter 's' - used to designate the standard deviation of a variable.
2.
The capital Greek letter 'Σ' - equivalent to the English capital letter 'S' - used to designate the Sum of a selection or series of values.