Calculates the log normal distribution cumulative distribution function.
Formula: normdist(ln(x0), mn, sd, 1)
Calculate the CDF for a location parameter μ = 1 and scale parameter σ = 0.5 and x = 2.
Value | Keystrokes | Display | Description |
---|---|---|---|
2 | x | 2.0 | Stores the x value. |
1 | μ | 1.0 | Stores the μ value. |
.5 | σ | 0.50 | Stores the σ value. |
cdf | 0.2697 | Calculates the cumulative distribution function. |
These keystrokes assume the values from example 1.
Calculate the x value for a CDF of 0.5.
Value | Keystrokes | Display | Description |
---|---|---|---|
.5 | cdf | 0.500 | Stores the cdf value. |
x | 2.718 | Calculates the x (inverse) value. |
Reference:
Log Normal distribution - Wikipedia