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Run statistical analyses quickly and directly in your browser. Choose the kind of calculator you want to use.

https://www.graphpad.com/quickcalcs/

QuickCalc free web calculator: Include the name of the calculator and the date you used it. Here is an example: Confidence intervals of proportions were ...

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This calculator is for 2x2 contingency tables that separate each subject into one of four categories based on two factors, each with two possibilities.

https://www.graphpad.com/quickcalcs/contingency1/

Performs unpaired t test, Weldh's t test (doesn't assume equal variances) and paired t test. Calculates exact P value and 95% confidence interval.

https://www.graphpad.com/quickcalcs/ttest1/

Free web calculator provided by GraphPad Software. Performs Grubbs' test Extreme Studentized Deviate (ESD) method. Clear results with links to extensive ...

https://www.graphpad.com/quickcalcs/grubbs1/

Analyze categorical data. Fisher's, Chi square, McNemar's, Sign test, CI of proportion, NNT (number needed to treat), kappa.

https://www.graphpad.com/quickcalcs/catmenu/

The GraphPad QuickCalc for determining the confidence interval of a proportion uses two different methods, and reports the results for both.

GraphPad FAQs

Prism and InStat (as well as QuickCalc since 5-April-2004) compute the two-sided P value using the method of summing small P values.

GraphPad FAQs

Citing the QuickCalc free web calculator. Include the name of the calculator and the date you used it. Here is an example: Confidence intervals of ...

https://www.graphpad.com/guides/prism/latest/user-guide/

So we focussed StatMate 2 entirely on sample size and power calculations. All the other stuff from StatMate 1, and much much more, are now free QuickCalc web ...

GraphPad FAQs