P1 — Value for p1. Provide accurate numbers for a reliable Z. Example: 0.1.
P1 is required
P2 — Value for p2. Provide accurate numbers for a reliable Z. Example: 0.1.
P2 is required
P — Value for p. Provide accurate numbers for a reliable Z. Example: 0.1.
P is required
N1 — Value for n1. Provide accurate numbers for a reliable Z. Example: 0.1.
N1 is required
N2 — Value for n2. Provide accurate numbers for a reliable Z. Example: 0.1.
N2 is required
Two proportion z-test.
Formula
z = (p1-p2)/Math.sqrt(p*(1-p)*(1/n1+1/n2))