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.
مىسال
=CONFIDENCE(0.05;1.5;100) gives 0.29.
CONFIDENCE
Returns the (1-alpha) confidence interval for a Student's t distribution.
Syntax
CONFIDENCE.T(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.
مىسال
=CONFIDENCE.T(0.05;1.5;100) gives 0.2976325427.
CONFIDENCE.NORM
Returns the (1-alpha) confidence interval for a normal distribution.
Syntax
CONFIDENCE.NORM(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.
مىسال
=CONFIDENCE.NORM(0.05;1.5;100) gives 0.2939945977.
CORREL
Returns the correlation coefficient between two data sets.
Syntax
CORREL(Data1; Data2)
Data1 is the first data set.
Data2 is the second data set.
مىسال
=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(Data1; Data2)
Data1 is the first data set.
Data2 is the second data set.
مىسال
=COVAR(A1:A30;B1:B30)
COVARIANCE.P
Returns the covariance of the product of paired deviations, for the entire population.
Syntax
COVARIANCE.P(Data1; Data2)
Data1 is the first data set.
Data2 is the second data set.
مىسال
=COVARIANCE.P(A1:A30;B1:B30)
COVARIANCE.S
Returns the covariance of the product of paired deviations, for a sample of the population.
Syntax
COVARIANCE.S(Data1; Data2)
Data1 is the first data set.
Data2 is the second data set.
مىسال
=COVARIANCE.S(A1:A30;B1:B30)
CRITBINOM
Returns the smallest value for which the cumulative binomial distribution is greater 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.
مىسال
=CRITBINOM(100;0.5;0.1) yields 44.
KURT
Returns the kurtosis of a data set (at least 4 values required).
Syntax
KURT(Number1; Number2; ...; Number30)
Number1, Number2, ..., Number30 are numeric arguments or ranges representing a random sample of distribution.
مىسال
=KURT(A1;A2;A3;A4;A5;A6)
LARGE
Returns the Rank_c-th largest value in a data set.
Syntax
LARGE(Data; RankC)
Data is the cell range of data.
RankC is the ranking of the value.
مىسال
=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.
مىسال
=LOGINV(0.05;0;1) returns 0.1930408167.
LOGNORMDIST
Returns the inverse of the lognormal distribution.
This function is identical to LOGINV and was introduced for interoperability with other office suites.
Syntax
LOGNORM.INV(Number; Mean; StDev)
Number (required) is the probability value for which the inverse standard logarithmic distribution is to be calculated.
Mean (required) is the arithmetic mean of the standard logarithmic distribution.
StDev (required) is the standard deviation of the standard logarithmic distribution.
مىسال
=LOGNORM.INV(0.05;0;1) returns 0.1930408167.
LOGNORMDIST
Returns the values of a lognormal distribution.
Syntax
LOGNORMDIST(Number; Mean; StDev; Cumulative)
Number is the probability value for which the standard logarithmic distribution is to be calculated.
Mean (optional) is the mean value of the standard logarithmic distribution.
StDev (optional) is the standard deviation of the standard logarithmic distribution.
Cumulative (optional) = 0 calculates the density function, Cumulative = 1 calculates the distribution.
مىسال
=LOGNORMDIST(0.1;0;1) returns 0.01.
LOGNORMDIST
Returns the values of a lognormal distribution.
Syntax
LOGNORM.DIST(Number; Mean; StDev; Cumulative)
Number (required) is the probability value for which the standard logarithmic distribution is to be calculated.
Mean (required) is the mean value of the standard logarithmic distribution.
StDev (required) is the standard deviation of the standard logarithmic distribution.
Cumulative (required) = 0 calculates the density function, Cumulative = 1 calculates the distribution.
مىسال
=LOGNORM.DIST(0.1;0;1;1) returns 0.0106510993.
SMALL
Returns the Rank_c-th smallest value in a data set.
Syntax
SMALL(Data; RankC)
Data is the cell range of data.
RankC is the rank of the value.
مىسال
=SMALL(A1:C50;2) gives the second smallest value in A1:C50.