Calculateur d'Intervalle de Confiance
MathématiquesCalculez l'intervalle de confiance et la marge d'erreur d'une moyenne d'échantillon pour les niveaux de confiance 90 %, 95 % et 99 %.
Digital Calculation Report
Confidence Interval Calculator Report
Calculate a confidence interval for a sample mean.
Input Parameters
| Parameter | Value |
|---|---|
| Sample Mean | 100 |
| Standard Deviation | 15 |
| Sample Size | 30 |
| Confidence Level | 95 |
Calculated Results
| Metric | Computed Value |
|---|---|
| Intervalle de confiance | [94.63, 105.37] |
| Marge d'erreur | 5.37 |
Calculations are provided for educational purposes and should be independently verified for financial, investment, or medical decisions.
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Input Parameters
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Calculation Breakdown
Common Questions about Confidence Interval
Que signifie un intervalle de confiance à 95 % ?
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