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Home > Products > Excel > Excel 2003 Help and How-to > Working with Data > Function Reference > Statistical Functions

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STANDARDIZE

Applies to: Microsoft Office Excel 2003

Returns a normalized value from a distribution characterized by mean and standard_dev.

Syntax

STANDARDIZE(x,mean,standard_dev)

X is the value you want to normalize.

Mean is the arithmetic mean of the distribution.

Standard_dev is the standard deviation of the distribution.

Remarks

If standard_dev ≤ 0, STANDARDIZE returns the #NUM! error value.
The equation for the normalized value is:

Example

The example may be easier to understand if you copy it to a blank worksheet.

Show How to copy an example

Create a blank workbook or worksheet.
Select the example in the Help topic.
Note Do not select the row or column headers.

Selecting an example from Help
Press CTRL+C.
In the worksheet, select cell A1, and press CTRL+V.
To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.

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A	B
Data	Description
42	Value to normalize
40	Arithmetic mean of the distribution
1.5	Standard deviation of the distribution
Formula	Description (Result)
=STANDARDIZE(A2,A3,A4)	Normalized value of 42 for the terms above (1.333333)