WorksheetFunction.Norm_Dist(Double, Double, Double, Boolean) Method
Definition
Important
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Returns the normal distribution for the specified mean and standard deviation. This function has a wide range of applications in statistics, including hypothesis testing.
public:
double Norm_Dist(double Arg1, double Arg2, double Arg3, bool Arg4);public double Norm_Dist (double Arg1, double Arg2, double Arg3, bool Arg4);Public Function Norm_Dist (Arg1 As Double, Arg2 As Double, Arg3 As Double, Arg4 As Boolean) As DoubleParameters
- Arg1
- Double
X - The value for which you want the distribution.
- Arg2
- Double
Mean - The arithmetic mean of the distribution.
- Arg3
- Double
Standard_dev - The standard deviation of the distribution.
- Arg4
- 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.
Returns
Remarks
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(Double, Boolean).
The equation for the normal density function (cumulative = false) is:
Figure 1: Equation for the normal density function
When cumulative = true, the formula is the integral from negative infinity to x of the given formula.