Statistical Tests of Significance
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One Sample Proportion: Z test
Formula used and other details
Sample Proportion (P1)
%
Required
Enter positive number between 0.01 to 99.99
Sample proportion in your study. In Percentage
Sample Size in the group
(N)
Required
Total number of observations
Hypothesized / known proportion (P0)
%
Enter positive number between 0.01 to 99.99
Required
Hypothesized / known proportion against which sample proportion is compared. In percentage.
Significance level % (Alpha / type I error)
%
Enter positive number between 0.01 to 99.99
Required
Commonly used values are 5%, 1% and 10%. If your significance level is 0.05, then enter 5
One sided or two sided
Enter either 1 or 2
Required
One tailed or two tailed hypothesis
Results