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

## 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 sample ...

## Z-test: One Population 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 proportion (or ...

## 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 level, the ...

## Z-test for Two Proportions

Instructions: This calculator conducts a Z-test for two population proportions ((p_1) and (p_2)), Please select the null and alternative hypotheses, type the significance level, the sample sizes, the number of favorable cases (or the sample ...

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