Hypothesis Testing Calculator

One-sample two-sided normal-mean test with known population standard deviation.

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Result

Enter your values and run the tool to see your result.

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Z statistic(mean-nullMean)/(sd/sqrt(n))

Two-sided p-value1-erf(abs((mean-nullMean)/(sd/sqrt(n)))/sqrt(2))