Difference Between Two Population Proportions Sample Size CalculatorLast updated on December 31, 2024 at 07:24:12 PM / Sample Size Calculators / 1 minute of reading HomeResearchSample Size CalculatorsDifference Between Two Population Proportions Sample Size Calculator Please enter the values: 1 - α (%): (Confidence level, e.g., 95% = 1 - α = 0.05) d: (Absolute precision required, e.g., 0.10 = ±10%) P1: (Anticipated population proportion 1, e.g., 0.20 = 20%) P2: (Anticipated population proportion 2, e.g., 0.30 = 30%) n: (Sample size, calculated value) Calculate