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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## Gamma Coefficient Calculator

Instructions: This Gamma Coefficient Calculator computes the value of Gamma, which measures the strength of the association between two ordinal variables. Please first indicate the number of columns and rows for the cross tabulation, and then type ...

## Z-test for two Means, with Known Population Standard Deviations

Instructions: This calculator conducts a Z-test for two population means (\(\mu_1\) and \(\mu_2\)), with known population standard deviations ( \(\sigma_1\) and \(\sigma_2\)). Please select the null and alternative hypotheses, type the significance ...

## Relative Risk Calculator

Instructions: This calculator computes the Relative Risk for a 2×2 crosstabulation, which measures the ratio of the risk of developing a condition (or disease) for those exposed to a risk factor, versus the the risk of exhibiting the condition ...

## F-test for the Equality of Two Population Variances

Instructions: This calculator conducts an F test for two population variances in order to assess whether two population variances \(\sigma_1^2\) and \(\sigma_1^2\) can be assumed to be equal or not. Please select the null and alternative hypotheses, ...

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