Primitive 03 / Calculator

Statistical significance calculator

Two-proportion z-test calculator. Punch in per-arm visitors, control + treatment conversion rates, and α — the panel returns p-value, z-score, absolute and relative lift, and the power for the observed effect.

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Statistical significance calculator is a reusable Oak Flats Muffler Men UI primitive with documented states, accessibility expectations, theme behavior, and implementation evidence.

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Statistical significance calculator: Two-proportion z-test calculator. Punch in per-arm visitors, control + treatment conversion rates, and α — the panel returns p-value, z-score, absolute and relative lift, and the power for the observed effect.

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Stat-sig · Two-proportion z-test

Significance calculator

P-value< 0.001 ***p < 0.001
Z-score4.68
Lift (rel)+12.0%+2.20 pp abs
Power100%