Apple iWork '09 - Manual (Page 269)

Chapter 10 Statistical Functions 269
“The Elements of Formulas” on page 15
“Using the Keyboard and Mouse to Create and Edit Formulas” on page 26
“Pasting from Examples in Help” on page 41
LOGNORMDIST
The LOGNORMDIST function returns the log-normal distribution.
LOGNORMDIST(pos-x-value, mean, stdev)
 pos-x-value: The positive x value at which you want to evaluate the function. pos-x-
value is a number value that must be greater than 0.
 mean: The mean of the natural logarithm, that is, ln
(x)
. mean is a number value and
is the average (arithmetic mean) of ln
(x)
; the natural logarithm of x.
 stdev: The standard deviation of the population. stdev is a number value and must
be greater than 0.
Example
=LOGNORMDIST(0.78, 1.7, 2.2) returns 0.187899237956868.
Related Topics
For related functions and additional information, see:
“LN” on page 179
“LOGINV” on page 268
“Listing of Statistical Functions” on page 225
“Value Types” on page 36
“The Elements of Formulas” on page 15
“Using the Keyboard and Mouse to Create and Edit Formulas” on page 26
“Pasting from Examples in Help” on page 41