Statistical Tests of Significance

Home Significance tests Meta-analysis Puzzles About Contact

One Sample Proportion: Z test

Formula used and other details
Sample Proportion (P1)
% Sample proportion in your study. In Percentage
Sample Size in the group  (N) Total number of observations
Hypothesized / known proportion (P0) % Hypothesized / known proportion against which sample proportion is compared. In percentage.
Significance level % (Alpha / type I error)  %

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