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# NTJOHNSONSUPARAM

Returns parameters of the Johnson SU distribution for the specified mean standard deviation, skewness and kurtosis.

## Syntax

NTJOHNSONSUPARAM(

• Mean,
• Stdev,
• Skew,
• Kurt

)

#### Parameters

• Mean is the arithmetic mean of the distribution.
• Stdev is the standard deviation of the distribution (Positive value).
• Skew is the skewness of the distribution.
• Kurt is the kurtosis of the distribution (Positive value).

## 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
1.2 Arithmetic mean of the distribution
2 Standard deviation of the distribution
-0.8 Skewness of the distribution
2.5 Kurtosis of the distribution
Formula Description (Result)
=NTJOHNSONSUPARAM(A2,A3,A4,A5) Parameter of the distribution : Gamma, Delta, Lambda and Xi for the terms above

Note The formula in the example must be entered as an array formula. After copying the example to a blank worksheet, select the range A7:A10 starting with the formula cell. Press F2, and then press CTRL+SHIFT+ENTER.