Statistical Functions Part Three
CONFIDENCE
Returns the (1-alpha) confidence interval for a normal distribution.
Syntax
CONFIDENCE(Alpha; STDEV; Size)
Alpha is the level of the confidence interval.
STDEV is the standard deviation for the total population.
Size is the size of the total population.
Example
=CONFIDENCE(0.05; 1.5; 100) gives 0.29.
CORREL
Returns the correlation coefficient between two data sets.
Syntax
CORREL(Data_1; Data_2)
Data_1 is the first data set.
Data_2 is the second data set.
Example
=CORREL(A1:A50; B1:B50) calculates the correlation coefficient as a measure of the linear correlation of the two data sets.
COVAR
Returns the covariance of the product of paired deviations.
Syntax
COVAR(Data_1; Data_2)
Data_1 is the first data set.
Data_2 is the second data set.
Example
=COVAR(A1:A30; B1:B30)
CRITBINOM
Returns the smallest value for which the cumulative binomial distribution is less than or equal to a criterion value.
Syntax
CRITBINOM(Trials; SP; Alpha)
Trials is the total number of trials.
SP is the probability of success for one trial.
Alpha is the threshold probability to be reached or exceeded.
Example
=CRITBINOM(100; 0.5; 0.1) yields 44.
KURT
Returns the kurtosis of a data set (at least 4 values required).
Syntax
KURT(Number 1; Number 2; ...Number 30)
Number 1,Number 2,...Number 30 are numeric arguments or ranges representing a random sample of distribution.
Example
=KURT(A1;A2;A3;A4;A5;A6)
LARGE
Returns the Rank_c-th largest value in a data set.
Syntax
LARGE(Data; Rank_c)
Data is the cell range of data.
Rank_c is the ranking of the value.
Example
=LARGE(A1:C50; 2) gives the second largest value in A1:C50.
LOGINV
Returns the inverse of the lognormal distribution.
Syntax
LOGINV(Number; Mean; STDEV)
Number is the probability value for which the inverse standard logarithmic distribution is to be calculated.
Mean is the arithmetic mean of the standard logarithmic distribution.
STDEV is the standard deviation of the standard logarithmic distribution.
Example
=LOGINV(0.05; 0; 1) returns 0.19.
LOGNORMDIST
Returns the cumulative lognormal distribution.
Syntax
LOGNORMDIST(Number; Mean; STDEV)
Number is the probability value for which the standard logarithmic distribution is to be calculated.
Mean is the mean value of the standard logarithmic distribution.
STDEV is the standard deviation of the standard logarithmic distribution.
Example
=LOGNORMDIST(0.1; 0; 1) returns 0.01.
SMALL
Returns the Rank_c-th smallest value in a data set.
Syntax
SMALL(Data; Rank_c)
Data is the cell range of data.
Rank_c is the rank of the value.
Example
=SMALL(A1:C50; 2) gives the second smallest value in A1:C50.
Index
LARGE function
SMALL function
CONFIDENCE function
CORREL function
coefficient of correlation
COVAR function
CRITBINOM function
KURT function
LOGINV function
inverse of lognormal distribution
LOGNORMDIST function
cumulative lognormal distribution
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