Apple iWork '09 User Manual
Page 226

Function
Description
The BETAINV function returns the inverse of the
given cumulative beta distribution probability
value.
“BINOMDIST” (page 238)
The BINOMDIST function returns the individual
term binomial distribution probability of the
specified form.
The CHIDIST function returns the one-tailed
probability of the chi-square distribution.
The CHIINV function returns the inverse of
the one-tailed probability of the chi-square
distribution.
The CHITEST function returns the value from the
chi-square distribution for the given data.
“CONFIDENCE” (page 242)
The CONFIDENCE function returns a value for
creating a statistical confidence interval for a
sample from a population with a known standard
deviation.
The CORREL function returns the correlation
between two collections using linear regression
analysis.
The COUNT function returns the number of
its arguments that contain numbers, numeric
expressions, or dates.
The COUNTA function returns the number of its
arguments that are not empty.
“COUNTBLANK” (page 246)
The COUNTBLANK function returns the number
of cells in a range that are empty.
The COUNTIF function returns the number of
cells in a range that satisfy a given condition.
“COUNTIFS” (page 248)
The COUNTIFS function returns the number of
cells in one or more ranges that satisfy given
conditions (one condition per range).
The COVAR function returns the covariance of
two collections.
“CRITBINOM” (page 252)
The CRITBINOM function returns the smallest
value for which the cumulative binomial
distribution is greater than or equal to a given
value.
The DEVSQ function returns the sum of the
squares of deviations of a collection of numbers
from their average (arithmetic mean).
226
Chapter 10
Statistical Functions