Two-Proportion Z-Test Calculator
Compare two population proportions using a z-test. Calculate the z-statistic, p-value, and determine statistical significance.
Z-Statistic
-0.8698
P-Value (Two-Tailed)
0.384429
Proportion 1
0.4000
Proportion 2
0.4583
Conclusion
Fail to reject H0 at α = 0.05 (p = 0.3844)