stats_cdf_normal
Calculates any one parameter of the normal distribution given values for the others
Description
float stats_cdf_normal(
float $par1
,
float $par2
,
float $par3
,
int $which
)
The following table lists the return value and parameters by which
.
CDF, x, mu, and sigma denotes cumulative distribution function, the value of the random
variable, the mean and the standard deviation of the normal distribution, respectively.
Return value and parameters
which |
Return value |
par1 |
par2 |
par3 |
1 |
CDF |
x |
mu |
sigma |
2 |
x |
CDF |
mu |
sigma |
3 |
mu |
x |
CDF |
sigma |
4 |
sigma |
x |
CDF |
mu |
Parameters
-
par1
-
The first parameter
-
par2
-
The second parameter
-
par3
-
The third parameter
-
which
-
The flag to determine what to be calculated
Return Values
Returns CDF, x, mu, or sigma, determined by which
.