Calculadora de Intervalo de Confiança
MathCalcule o intervalo de confiança e a margem de erro para a média amostral com níveis de 90%, 95% e 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 |
|---|---|
| Intervalo de confiança | [94.63, 105.37] |
| Margem de erro | 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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Computed Results
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Calculation Breakdown
Common Questions about Confidence Interval
Como o tamanho da amostra afeta o intervalo?
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Educational Guides & Related Articles
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