Statistical Significance Calculator

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Are the test results valid?

This simple tool can be used to check that your sample sizes are large enough to give significant test results.  You’ll need to know your sample sizes and your expected or actual response volumes.  As a guide, a 95% confidence interval (or above) is good and 90% is acceptable.

Size, e.g. 2000
Responses, e.g. 200
The calculated Response Rates are: % %

The result has a 0% confidence interval

This tool uses the Pocock Significance Test.
R-cubed does not take responsibility for the use of the tool and its outputs.

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Unfortunately, our Statistical Significance Calculator is not available on our tablet or mobile website. Please visit our desktop website to access the calculator.