Z-test p-value + χ².
Last Updated: 28 Mar 2026
Two-proportion z (same as z-test page)
Successes 1 / n1
Successes 2 / n2
Two-sided p-value ≈ 2.8082e-1
2×2 Pearson χ² (independence)
Table [[a,b],[c,d]] row-wise
χ² ≈ 49.4949 (df=1), exceeds 3.841 @0.05: yes
Statistical Significance (Z & Chi²) helps you z-test p-value + χ². It is commonly used by students, analysts, educators for statistical significance, chi square, ab test.
Statistical Significance (Z & Chi²)
Z-test p-value + χ².
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