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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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), ...
Confidence Interval Calculator for the Mean (Known Population Standard Deviation)

Confidence Interval Calculator for the Mean (Known Population Standard Deviation)

Instructions: This calculator computes a confidence interval for the population mean \(\mu\), in the case that the population standard deviation \(\sigma\) is known. Please type the sample mean, the population standard deviation, the sample size and ...
T-test for Paired Samples

T-test for Paired Samples

Instructions: This calculator conducts a t-test for two paired samples. This test applies when you have two samples that are dependent (paired or matched). Please select the null and alternative hypotheses, type the sample data and the significance ...



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