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# NTJOHNSONSUSTDEV

Returns standard deviation of a specified Johnson SU distribution.

## Syntax

NTJOHNSONSUSTDEV(

• Gamma,
• Delta,
• Lambda,
• Xi

)

#### Parameters

• Gamma is a parameter of the distribution $\gamma$.
• Delta is a parameter of the distribution $\delta\;(>0)$.
• Lambda is a parameter of the distribution $\lambda\;(>0)$.
• Xi is a parameter of the distribution $\xi$.

## Example

• The example may be easier to understand if you copy it to a blank worksheet
How to copy an example
1. Create a blank workbook or worksheet.
2. Select the example in the Help topic.

Note  Do not select the row or column headers.

Selecting an example from Help

3. Press CTRL+C.
4. In the worksheet, select cell A1, and press CTRL+V.
5. 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
0.8 Value of parameter Gamma
2 Value of parameter Delta
2.5 Value of parameter Lambda
1.2 Value of parameter Xi
Formula Description (Result)
=NTJOHNSONSUSTDEV(A2,A3,A4,A5) Standard deviation of the distribution for the terms above