Sample Size Calculator
Determine the ideal sample size for your research with 99% accuracy
Recommended Sample Size
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This is the number of responses needed for your study
Formula Used: n = N × X / (X + N - 1)
Where X = Z² × p × (1-p) / MOE²
Z is the Z-score (1.96 for 95% confidence),
N is population size, p is distribution, MOE is margin of error