Difference between revisions of "Documentation/How Tos/Calc: STANDARDIZE function"
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Revision as of 12:29, 17 May 2010
STANDARDIZE
Converts a value in a normal distribution to its equivalent in a standard normal distribution.
Syntax:
STANDARDIZE(n; μ; σ)
- n is a number in a normal distribution with known mean μ and known standard deviation σ.
- STANDARDIZE converts n to a corresponding value in a standard normal distribution, which has mean 0 and standard deviation 1.
- STANDARDIZE calculates and returns (n - μ)/ σ.
Example:
STANDARDIZE(14; 10; 4)
- returns 1. The original value 14 lies 1 standard deviation above the original mean 10; the new value lies 1 standard deviation above the new mean 0.
