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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## 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 ...

## Calculator of the Factorial of a Number

Instructions: You can use this factorial calculator to compute the factorial of an integer number $$n$$. Type the integer: More about the factorial of a number: There are many Math contexts in which the use of factorials is relevant, especially in ...

## Spearman Correlation Calculator

Instructions: You can use this Spearman Correlation Calculator tool to compute Spearman’s Correlation Coefficient for two variables X and Y. All you have to do is type your X and Y data, either in comma or space separated format (For example: ...

## Pooled Variance Calculator

Instructions: This calculator computes the pooled variance and standard deviation for two given sample standard deviations $$s_1$$ and $$s_2$$, with corresponding sample sizes $$n_1$$ and $$n_2$$. Sample St. Dev. Sample 1 ($$s_1$$) = Sample Size 1 ...