Calculateur de P Value
Calcule des p values pour Z, t, chi carre et F en analyse d hypotheses.
Calculate p-values from test statistics to determine statistical significance
P-Value
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Result
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Interpretation
P-Value vs Alpha
0α = 0.051
Common Critical Values
| Test | α = 0.10 | α = 0.05 | α = 0.01 |
|---|---|---|---|
| Z (two-tailed) | ±1.645 | ±1.960 | ±2.576 |
| Z (one-tailed) | 1.282 | 1.645 | 2.326 |
| t (df=30, two-tailed) | ±1.697 | ±2.042 | ±2.750 |
Pourquoi c est utile
Le p value mesure la probabilite sous l hypothese nulle.
Le test bilaterale detecte des differences dans les deux sens.