Our site contains a lot of Statistical Calculators that can greatly help you with all of your academic needs. Our solvers include Probability Calculators, Hypothesis Test solvers, non-parametric tests, etc. If you have any suggestion about solvers that should be included, please do not hesitate to contact us.

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Percentile Calculator

Instructions: This percentile calculator will calculate a percentile you specify, showing step-by-step, for a sample data set provided by you in the form below: Type the sample (comma or space separated) Percentile (Ex: 0.75, 75%, etc) = Name of the ...

Effect Size Calculator for the T-Statistic

Instructions: This effect size calculator for the t-statistic allows you to compute the value of $$r^2$$ (r-squared) if you know the t-statistic ($$t$$) and the number of degrees of freedom ($$df$$): T-statistic ($$t$$): Degrees of Freedom (df): ...

Chebyshev’s Rule Calculator

Instructions: This Chebyshev's Rule calculator will show you how to use Chebyshev's Inequality to estimate probabilities of an arbitrary distribution. You can estimate the probability that a random variable $$X$$ is within $$k$$ standard deviations ...

Empirical Rule Calculator

Instructions: This Empirical Rule calculator will show you how to use the Empirical Rule to compute some normal probabilities. Please type the population mean and population standard deviation, and provide details about the event you want to compute ...

Permutation Coefficient Calculator

Instructions: You can use this permutation coefficient calculator to compute $$P_{n,k}$$, for two given integers $$n$$ and $$k$$. Type the integer $$n$$: Type the integer $$k$$: More about this Permutation Coefficient calculator for $$n$$ and $$k$$: ...

Combinatorial Coefficient Calculator

Instructions: You can use this combinatorial coefficient calculator to compute "n choose k", or $$C_{n,k}$$, for two given integers $$n$$ and $$k$$. Type the integer $$n$$: Type the integer $$k$$: More about this Combinatorial Coefficient ...

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