The purpose of this Statistics Formula Cheat sheet is to supply a collection of statistics formulas which will be useful for researchers and students in the field of statistics, probability, mathematics, science, engineering and other fields. The formulas are covered from the basics to advanced is for your easy reference. The calculators associated with links assist you to proper understanding and application of the formulas
Statistic Term | Formulas |
Arithmetic Mean | |
Standard Deviation | |
Variance | |
Correlation Coefficient | |
Coefficient of variance | CV = Standard Deviation (σ) / Mean |
Geometric Mean | |
Weighted Mean | |
Harmonic Mean | |
Standard Error | |
Group Arithmetic Mean | |
Skewness Formula | |
Mean Absolute Deviation | |
Permutation | nPr = n!/(n-r)! |
Combination | nCr = n!/(r!(n-r)!) |
Z Score | |
Normal Distribution | |
Binomial Distribution | |
Poisson Distribution Calculator | |
Hypergeometric distribution | |
Weibull Distribution | |
Exponential Distribution |