Returns a normalized value from a distribution characterized by mean and 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.
If standard_dev ≤ 0, STANDARDIZE returns the #NUM! error value.
The equation for the normalized value is:
The example may be easier to understand if you copy it to a blank worksheet.
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
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 Formulas tab, in the Formula Auditing group, click the Show Formulas button.