Probability and Statistics Formulas Reference

Standard Deviation Formula formulas to estimate sample standard deviation

Population Standard Deviation Mean Formula formula to find mean

Population Standard Deviation Formula formula to estimate population standard deviation for entire samples

Population Standard Deviation Variance Formula formula to estimate psd variance

Coefficient of Variance Formula formula to find coefficient of variation

Z-score Formula formula to find the Z-score of a population member

Correlation Coefficient Formula formulas to calculate pearson correlation coefficient

Grouped Data Standard Deviation Formula formula to find mean, standard deviation & variance for frequency distribution table data

formula to find the factorial of a given number n!

Permutation & Combination Formula formula to find different number of permutations nPr & combinations nCr

Standard Error Formula formula to estimate standard error (SE) of mean (SEM)

Geometric Mean Formula formula to find Geometric mean

Mean Value Formula formula to calculate sample or population mean

Effect of Size Formula formula to calculate effect of size

Harmonic Mean Formula formula to calculate Harmonic Mean

Weighted Mean Formula formula to calculate Weighted Mean

Root Mean Square Formula formula to calculate RMS or Quadratic Mean or Root Mean Square

Group Arithmetic Mean Formula

Skewness Formula formula to calculate skewness of random variables

Gaussian Distribution Formula formula to calculate Normal or Gaussian distribution

Binomial Distribution Formula formula to estimate the probability of number of success or failure

R Squared Formula formula to calcuate R^2 or R Squared to predict future outcome

Covariance Formula covariance formula to find the linear dependency between two data sets

Poisson Distribution Formula

Hypergeometric Distribution Formula

Class Interval Arithmetic Mean Formula

Class Interval Arithmetic Mean Interval Formula

f-Test Formula

t-Test Formula T-Test Formula to calculate differences between means of two samples

Beta Function Formula Euler Integral Formula for Beta Function

Digamma Function Formula formula to calculate logarithmic derivative of Gamma function

Weibull Distribution Formula Weibull Distribution formula to perform failure analysis

Exponential Distribution Formula

formula to determine sample size from margin of error ME

Confidence Interval Formula formula to estimate confidence interval of a data set

Mean Absolute Deviation Formula formula to calculate mean absolute deviation of an element of a data set

Cumulative Poisson Distribution Formula formula to estimate the distribution of random variable with in a certain range

Error Function Formula Error function formula to estimate relative precision of an approximation

Statistical Data Range Formula formula to find statistical data range

Probability and Statistics Formulas Reference

Probability and statistics formulas reference is the collection basic equations for the study of data distribution, probability and how to design and test the statistical experiments. It's the statistics & probability functions cheatsheet contains the list of important formulas which are being used to collect, analyze, organize and summarize the data in the descriptive and inferential statistics to draw conclusions about the probability of potential events and the underlying mechanics of complex systems.