Statistical Tests of Significance

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Two Sample Proportion: Z test

Formula used and other details
First Sample Proportion (P1)
% Sample proportion in your first sample. In Percentage
Sample Size in first group (N1) Total number of observations in first group
Second Sample Proportion (P2) % Sample proportion in your second sample. In Percentage
Sample Size in second group (N2) Total number of observations in second group
Significance level (Alpha / type I error - in percentage)  %

Commonly used values are 5%, 1% and 10%. If your significance level is 0.05, then enter 5
One sided or two sided One tailed or two tailed hypothesis
Results