Chapter 12 Dictionary of Functions 203
PERCENTILE (page 256) Finds the value within a range of values that corresponds to a
particular percentile.
POISSON (page 257) Calculates event rate probabilities based on the Poisson
distribution.
PROB (page 261) Calculates the probability of a range of values if you know the
individual probability of each value.
RANK (page 264) Finds the rank of a number within a range of numbers.
SLOPE (page 273) Finds the slope of the best-fit line for a data set based on linear
regression analysis.
SMALL (page 273) Retrieves the nth-smallest value in a range.
STDEV (page 274) Calculates the standard deviation of a set of numbers based on the
sample (unbiased) variance.
STDEVA (page 275) Calculates the standard deviation of a set of values, including text
and Boolean values, based on the sample (unbiased) variance.
STDEVP (page 275) Calculates the standard deviation of a set of numbers based on the
population (true) variance.
STDEVPA (page 276) Calculates the standard deviation of a set of values, including text
and Boolean values, based on the population (true) variance.
VAR (page 284) Calculates the sample (unbiased) variance of a set of numbers.
VARA (page 285) Calculates the sample (unbiased) variance of a set of values,
including text and Boolean values.
VARP (page 286) Calculates the population (true) variance of a set of numbers.
VARPA (page 286) Calculates the population (true) variance of a set of values,
including text and Boolean values.
Function Description
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