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NTTRUNCNORMPARAM

Returns parameters of the triangular distribution for the specified support, mean and standard deviation.

Syntax​

NTTRUNCNORMPARAM(
    Min,
    Max,
    Mean,
    Stdev
)

Parameters​

  • Min is a lower limit of a support of the distribution aa.
  • Max is a upper limit of a support of the distribution bb.
  • Mean is the arithmetic mean of the distribution.
  • Stdev is the standard deviation of the distribution (Positive value).

Remarks​

  • Restrictions of arguments:
a<b a<b

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

    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.

AB
1DataDescription
21Value of parameter Min
34Value of parameter Max
42.2Arithmetic mean of the distribution
52Standard deviation of the distribution
6FormulaDescription (Result)
7=NTTRUNCNORMPARAM(A2,A3,A4,A5)Parameter of the distribution : Mu, Sigma 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:A8 starting with the formula cell. Press F2, and then press CTRL+SHIFT+ENTER.

See also​