In this page you will all the Z-tests we have available. Check the list below:

Z-test: One Pop. Proportion

Z-test: One Pop. Proportion

Instructions: This calculator conducts a Z-test for one population proportion (p). Please select the null and alternative hypotheses, type the hypothesized population proportion \(p_0\), the significance level \(\alpha\), the sample mean, the ...
Z-test for One Population Mean

Z-test for One Population Mean

Instructions: This calculator conducts a Z-test for one population mean (\(\mu\)), with known population standard deviation (\(\sigma\)). Please select the null and alternative hypotheses, type the hypothesized mean, the significance level, the ...
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) ...
Z-test for two Means, with Known Population Standard Deviations

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 ...



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