All Statistics Formulas

Statistics are the results of data displayed in the form of tables to graphs. Statistics is widely applied in various disciplines, both natural sciences (eg astronomy and biology as well as social sciences (including sociology and psychology), as well as in the fields of business, economics, and industry.

This App contains following formulas :

Standard Deviation

Geometric Mean

Grouped Data Arithmetic Mean

Class Interval Arithmetic Mean

Root Mean Square (RMS) / Quadratic Mean (QM)

Correlation Co-efficient

Regression

Harmonic Mean

Standard Error (SE)

Coefficient of variance

Weighted Mean

Permutation and Combination

Normal Probability

Normal Distribution

Probability Density Function of Normal Distribution, Standard Normal Distribution

Binomial Distribution

Negative Binomial Distribution

Poisson Distribution

Hypergeometric Distribution

Bayesian Statistics and Analysis

Percentage / Percent Error

Skewness

T-Test

Possible Vowels Rearrangement

F-Test

One Way ANOVA (Analysis of Variance)

Skewness Coefficient

Population Confidence Interval

Confidence Limits Mean

Confidence Interval Variance

Altman Z Score

Standard Z Score Sample

Z Test Statistics, Sample

Mean Absolute Deviation Statistics

Percentile Rank (PR) Statistics

Fisher (F) Test Probability (P) Value

Z Score to P Value

Probability Value for T-Test

Cumulative Sum (CUSUM)

Mid and Semi Quartiles

Exponential Distribution

Expected Value E(x)

Trimmed / Truncated Mean

Inter Quartile Range (IQR)

R-Squared (Coefficient of Determination)

Sample Size

Grade Point Average (GPA)

Modified Bessel Function

Beta Function

Incomplete Beta Function

Gamma Function

Incomplete Gamma Function

Multiple Regression (MLR)

Gaussian Error (ERF) and Complementary Error (ERFC) Function

Weibull Probability Distribution Function

Trend Line

Bessel's Integral Function

Beta Function for Probability Density

Digamma Function

Hankel Function

Riccati Bessel Function

Spherical Bessel Function

Spherical Hankel Function

Beta Distribution Function

Cauchy Distribution

Gamma Distribution Function

Laplace Distribution

Continuous Uniform Distribution

Weibull Cumulative Distribution, Probability Density

Kurtosis and Skewness Statistics

Autocorrelation

Ellipticgamma Function

Inverse / Reciprocal Gamma Distribution

Log Gamma Distribution

PSI Polygamma Function

Reciprocal Gamma Function

Trigamma Function

Mean Squared Error (MSE)

Effect Size (r) and Cohen (d)

Effect Size

One Way ANOVA Matrix

Harmonic Mean Frequency

Diagnostic Post Test Probability

Covariance

Multinomial Distribution

Rayleigh Distribution

Gumbel Distribution for PDF, CDF

Regression Intercept Confidence Interval

Cp and Cpk

Post Hoc Power Statistical Analysis

Regression Coefficient Confidence Interval

Tukey HSD Test for Significance

PP and PPK Index

Comparative Error - Statistical Significance

Type II / Beta Error

Weak Law of Large Numbers

Circular Permutations

Decile

Required Sample Size

Odds Ratio Confidence Interval

Relative Risk Confidence Interval

Ti 83 Exponential Regression Equation

Harmonic Series Partial Sum

Standard Error of Sample Proportion

Tukeys Post HOC HSD Significance Test

Sample Population Variance

Harmonic Number and Resonance Frequency

Adjusted R Squared

Spearman's Rank Correlation Coefficient

Quartile Deviation

Geometric Distribution

Dirichlet Multinomial Distribution

Standard Distribution

Mean Difference

Cronbach's Alpha Reliability

Combination with Replacement

Permutation with Replacement

Odd and Even Permutation

Correlation Matrix

Outlier

Best Point Estimation

Counting Permutations With Repetition

Counting Combinations With Repetition

Vector Cross Product

Kolmogorov Smirnov Test

Probability Chebyshev Rule / Inequality Theorem

Cohen's Kappa Index Value

Real Time Clock

Median Formula for Grouped Data

Process Capability around a target T