Counting Items in a Data SetCOUNT: Counting cells with valuesCOUNTA: Alternative counting cells with valuesCOUNTBLANK: Counting empty cellsCOUNTIF: Counting cells that match criteriaPERMUT: Counting permutationsCOMBIN: Counting combinationsMeans, Modes, and MediansAVEDEV: An average absolute deviationAVERAGE: AverageAVERAGEA: An alternate averageTRIMMEAN: Trimming to a meanMEDIAN: Median valueMODE: Mode valueGEOMEAN: Geometric meanHARMEAN: Harmonic meanFinding Values, Ranks, and PercentilesMAX: Maximum valueMAXA: Alternate maximum valueMIN: Minimum valueMINA: Alternate minimum valueLARGE: Finding the kth largest valueSMALL: Finding the kth smallest valueRANK: Ranking an array valuePERCENTRANK: Finding a percentile rankingPERCENTILE: Finding a percentile rankingFREQUENCY: Frequency of values in a rangePROB: Probability of valuesStandard Deviations and VariancesSTDEV: Standard deviation of a sampleSTDEVA: Alternate standard deviation of a sampleSTDEVP: Standard deviation of a populationSTDEVPA: Alternate standard deviation of a populationVAR: Variance of a sampleVARA: Alternate variance of a sampleVARP: Variance of a populationVARPA: Alternate variance of a populationCOVARIANCE.P and COVARIANCE.S: CovariancesDEVSQ: Sum of the squared deviationsNormal DistributionsNORM.DIST: Probability X falls at or below a given valueNORM.INV: X that gives specified probabilityNORM.S.DIST: Probability variable within z-standard deviationsNORM.S.INV: z-value equivalent to a probabilitySTANDARDIZE: z-value for a specified valueCONFIDENCE: Confidence interval for a population meanKURT: KurtosisSKEW and SKEW.P: Skewness of a distributiont-distributionsT.DIST: Left-tail Student t-distributionT.DIST.RT: Right-tail Student t-distributionT.DIST.2T: Two-tail Student t-distributionT.INV: Left-tailed Inverse of Student t-distributionT.INV.2T: Two-tailed Inverse of Student t-distributionT.TEST: Probability two samples from same populationf-distributionsF.DIST: Left-tailed f-distribution probabilityF.DIST.RT: Right-tailed f-distribution probabilityF.INV:Left-tailed f-value given f-distribution probabilityF.INV.RT:Right-tailed f-value given f-distribution probabilityF.TEST: Probability data set variances not differentBinomial DistributionsBINOM.DIST: Binomial probability distributionBINOM.INV: Binomial probability distributionBINOM.DIST.RANGE: Binomial probability of Trial ResultNEGBINOM.DIST: Negative binominal distributionCRITBINOM: Cumulative binomial distributionHYPGEOM.DIST: Hypergeometric distributionChi-Square DistributionsCHISQ.DIST.RT: Chi-square distributionCHISQ.DIST: Chi-square distributionCHISQ.INV.RT: Right-tailed chi-square distribution probabilityCHISQ.INV: Left-tailed chi-square distribution probabilityCHISQ.TEST: Chi-square testRegression AnalysisFORECAST: Forecast dependent variables using a best-fit lineINTERCEPT: y-axis intercept of a lineLINESTSLOPE: Slope of a regression lineSTEYX: Standard errorTRENDLOGEST: Exponential regressionGROWTH: Exponential growthCorrelationCORREL: Correlation coefficientPEARSON: Pearson correlation coefficientRSQ: r-squared value for a Pearson correlation coefficientFISHERFISHERINVSome Really Esoteric Probability DistributionsBETA.DIST: Cumulative beta probability densityBETA.INV: Inverse cumulative beta probability densityEXPON.DIST: Exponential probability distributionGAMMA.DIST: Gamma distribution probabilityGAMMAINV: X for a given gamma distribution probabilityGAMMALN: Natural logarithm of a gamma distributionLOGNORMDIST: Probability of lognormal distributionLOGINV: Value associated with lognormal distribution probabilityPOISSON: Poisson distribution probabilitiesWEIBULL: Weibull distributionZTEST: Probability of a z-test