WorksheetFunction.Norm_Dist Method (Excel)
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WorksheetFunction.Norm_Dist Method (Excel)

Returns the normal distribution for the specified mean and standard deviation. This function has a wide range of applications in statistics, including hypothesis testing.

Version Added: Excel 2010

expression .Norm_Dist(Arg1, Arg2, Arg3, Arg4)

expression A variable that represents a WorksheetFunction object.

Parameters

Name

Required/Optional

Data Type

Description

Arg1

Required

Double

X - The value for which you want the distribution.

Arg2

Required

Double

Mean - The arithmetic mean of the distribution.

Arg3

Required

Double

Standard_dev - The standard deviation of the distribution.

Arg4

Required

Boolean

Cumulative - A logical value that determines the form of the function. If cumulative is TRUE, NORM_DIST returns the cumulative distribution function; if FALSE, it returns the probability mass function.

Return Value

Double

  • If mean or standard_dev is nonnumeric, NORM_DIST returns the #VALUE! error value.

  • If standard_dev ≤ 0, NORM_DIST returns the #NUM! error value.

  • If mean = 0, standard_dev = 1, and cumulative = TRUE, NORM_DIST returns the standard normal distribution, NORM_S_DIST.

  • The equation for the normal density function (cumulative = FALSE) is: Ff822197.awfnrmdi_ZA06051213(en-us,office.14).gif

  • When cumulative = TRUE, the formula is the integral from negative infinity to x of the given formula.

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