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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Pooled Variance Calculator

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 ...
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 ...
Sign Test Calculator

Sign Test Calculator

Instructions: This calculator conducts a Sign Test. Please select the null and alternative hypotheses, enter the number of positives (+) and the number of negatives (-), along with the significance level, and the results of the sign test will be ...
Harmonic Mean Calculator

Harmonic Mean Calculator

Instructions: Enter the sample data below and the solver will provide step-by-step calculation of the harmonic mean. Type the sample (comma or space separated) More About The Harmonic Mean Calculator First of all, the harmonic mean is a type of a ...
Z-test for Two Proportions

Z-test for Two Proportions

Instructions: This calculator conducts a Z-test for two population proportions (p1 and p2), Please select the null and alternative hypotheses, type the significance level, the sample sizes, the number of favorable cases (or the sample proportions) ...
Scatter Plot Maker

Scatter Plot Maker

Instructions: Create a scatter plot using the form below. All you have to do is type your X and Y data. Optionally, you can add a title a name to the axes. X data (comma or space separated) Y data (comma or space separated) Type the title (optional) ...



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