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Sample Size Kalkulator

Matematika

Z-score (e.g. 1.96 for 95%)

Expected proportion p (0–1)

Margin of error E (0–1)

Confidence preset

Required sample size385

Formulan = z²p(1−p) / E²

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Kalkulator terkait

Percentage Kalkulator

Scientific Kalkulator

Fraction Kalkulator