Calculateur de Taille d'Échantillon
MathématiquesDéterminez la taille d'échantillon nécessaire pour vos sondages ou études statistiques selon le niveau de confiance et la marge d'erreur.
Digital Calculation Report
Sample Size Calculator Report
Calculate the required sample size for a survey or study.
Input Parameters
| Parameter | Value |
|---|---|
| Confidence Level | 95 |
| Margin of Error (e.g. 0.05 = 5%) | 0.05 |
| Estimated Proportion (0-1, use 0.5 if unknown) | 0.5 |
| Population Size (optional, leave blank if unknown/large) |
Calculated Results
| Metric | Computed Value |
|---|---|
| Taille d'échantillon requise | 385 |
Calculations are provided for educational purposes and should be independently verified for financial, investment, or medical decisions.
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Input Parameters
Adjust parameters to instantly compute metrics.
Computed Results
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Common Questions about Sample Size
Pourquoi utilise-t-on une proportion de 0,5 si la valeur est inconnue ?
Qu'est-ce qu'une marge d'erreur acceptable ?
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Educational Guides & Related Articles
Read our expert-reviewed articles to learn more about the concepts, formulas, and practical advice related to Sample Size.