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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Effect Size Calculator – Cohen’s d

Effect Size Calculator – Cohen’s d

Instructions: This Statistics calculator will compute the Cohen’s d for you. Please provide the information required below: Sample Mean (\(\bar X\)) Population Mean (\(\mu\)) Population St. Dev. (\(\sigma\))   More about Cohen’s D ...
Uniform Probability Calculator

Uniform Probability Calculator

Instructions: Compute uniform distribution probabilities using the solver below. Please type the lower limit \(a\), the upper limit \(b\), and define the event for which you want to compute the probability for: Lower (a) Upper (b) Two-Tailed: ≤ X ...
Normal Probability Calculator

Normal Probability Calculator

Instructions: This Normal Probability Calculator will compute normal distribution probabilities using the form below, and it also can be used as a normal distribution graph generator. Please type the population mean and population standard ...
Correlation Coefficient Calculator

Correlation Coefficient Calculator

Instructions: You can use this tool to compute Pearson’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: “2, 3, 4, 5”, or ...
T-test for two Means – Unknown Population Standard Deviations

T-test for two Means – Unknown Population Standard Deviations

Instructions: This calculator conducts a t-test for two population means (\(\mu_1\) and \(\mu_2\)), with unknown population standard deviations. This test apply when you have two-independent samples, and the population standard deviations ...
Minimum Sample Size Required Calculator – Estimating a Population Proportion

Minimum Sample Size Required Calculator – Estimating a Population Proportion

Instructions: This calculator finds the minimum sample size required to estimate a population proportion (\(p\)) within a specified margin of error. Please select type the the significance level (\(\alpha\)) and the required margin of error (E), ...



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