# Statistical functions (reference)

 In Excel 2010, several statistical functions have been implemented with new algorithms for improved accuracy.Read a blog post or try Office 2010!

Click one of the links in the following list to see detailed help about the function.

Function Description
AVEDEV Returns the average of the absolute deviations of data points from their mean
AVERAGE Returns the average of its arguments
AVERAGEA Returns the average of its arguments, including numbers, text, and logical values
AVERAGEIF Returns the average (arithmetic mean) of all the cells in a range that meet a given criteria
AVERAGEIFS Returns the average (arithmetic mean) of all cells that meet multiple criteria.
BETADIST Returns the beta cumulative distribution function
BETAINV Returns the inverse of the cumulative distribution function for a specified beta distribution
BINOMDIST Returns the individual term binomial distribution probability
CHIDIST Returns the one-tailed probability of the chi-squared distribution
CHIINV Returns the inverse of the one-tailed probability of the chi-squared distribution
CHITEST Returns the test for independence
CONFIDENCE Returns the confidence interval for a population mean
CORREL Returns the correlation coefficient between two data sets
COUNT Counts how many numbers are in the list of arguments
COUNTA Counts how many values are in the list of arguments
COUNTBLANK Counts the number of blank cells within a range
COUNTIF Counts the number of cells within a range that meet the given criteria
COUNTIFS Counts the number of cells within a range that meet multiple criteria
COVAR Returns covariance, the average of the products of paired deviations
CRITBINOM Returns the smallest value for which the cumulative binomial distribution is less than or equal to a criterion value
DEVSQ Returns the sum of squares of deviations
EXPONDIST Returns the exponential distribution
FDIST Returns the F probability distribution
FINV Returns the inverse of the F probability distribution
FISHER Returns the Fisher transformation
FISHERINV Returns the inverse of the Fisher transformation
FORECAST Returns a value along a linear trend
FREQUENCY Returns a frequency distribution as a vertical array
FTEST Returns the result of an F-test
GAMMAINV Returns the inverse of the gamma cumulative distribution
GAMMALN Returns the natural logarithm of the gamma function, Γ(x)
GEOMEAN Returns the geometric mean
GROWTH Returns values along an exponential trend
HARMEAN Returns the harmonic mean
HYPGEOMDIST Returns the hypergeometric distribution
INTERCEPT Returns the intercept of the linear regression line
KURT Returns the kurtosis of a data set
LARGE Returns the k-th largest value in a data set
LINEST Returns the parameters of a linear trend
LOGEST Returns the parameters of an exponential trend
LOGINV Returns the inverse of the lognormal distribution
LOGNORMDIST Returns the cumulative lognormal distribution
MAX Returns the maximum value in a list of arguments
MAXA Returns the maximum value in a list of arguments, including numbers, text, and logical values
MEDIAN Returns the median of the given numbers
MIN Returns the minimum value in a list of arguments
MINA Returns the smallest value in a list of arguments, including numbers, text, and logical values
MODE Returns the most common value in a data set
NEGBINOMDIST Returns the negative binomial distribution
NORMDIST Returns the normal cumulative distribution
NORMINV Returns the inverse of the normal cumulative distribution
NORMSDIST Returns the standard normal cumulative distribution
NORMSINV Returns the inverse of the standard normal cumulative distribution
PEARSON Returns the Pearson product moment correlation coefficient
PERCENTILE Returns the k-th percentile of values in a range
PERCENTRANK Returns the percentage rank of a value in a data set
PERMUT Returns the number of permutations for a given number of objects
POISSON Returns the Poisson distribution
PROB Returns the probability that values in a range are between two limits
QUARTILE Returns the quartile of a data set
RANK Returns the rank of a number in a list of numbers
RSQ Returns the square of the Pearson product moment correlation coefficient
SKEW Returns the skewness of a distribution
SLOPE Returns the slope of the linear regression line
SMALL Returns the k-th smallest value in a data set
STANDARDIZE Returns a normalized value
STDEV Estimates standard deviation based on a sample
STDEVA Estimates standard deviation based on a sample, including numbers, text, and logical values
STDEVP Calculates standard deviation based on the entire population
STDEVPA Calculates standard deviation based on the entire population, including numbers, text, and logical values
STEYX Returns the standard error of the predicted y-value for each x in the regression
TDIST Returns the Student's t-distribution
TINV Returns the inverse of the Student's t-distribution
TREND Returns values along a linear trend
TRIMMEAN Returns the mean of the interior of a data set
TTEST Returns the probability associated with a Student's t-test
VAR Estimates variance based on a sample
VARA Estimates variance based on a sample, including numbers, text, and logical values
VARP Calculates variance based on the entire population
VARPA Calculates variance based on the entire population, including numbers, text, and logical values
WEIBULL Returns the Weibull distribution
ZTEST Returns the one-tailed probability-value of a z-test

Applies to:
Excel 2007