NTGAMMASTDEV

Returns standard deviation of a specified gamma distribution.

Syntax

NTGAMMASTDEV(
    Alpha,
    Beta
)

Parameters

• Alpha is a parameter of the distribution $\alpha(>0)$.
• Beta is a parameter of the distribution $\beta(>0)$.

Remarks

The standard deviation of the distribution is given as:

$$\alpha\beta^2$$

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.

	A	B
1	Data	Description
2	4	Value of parameter Alpha
3	2.3	Value of parameter Beta
4	Formula	Description (Result)
5	=NTGAMMASTDEV(A2,A3)	Standard deviation of the distribution for the terms above

See also

• NTRANDGAMMA
• NTGAMMADIST
• NTGAMMAKURT
• NTGAMMAMEAN
• NTGAMMAMOM
• NTGAMMAPARAM
• NTGAMMASKEW
• Gamma distribution