On étudie la fréquence d’un événement grâce au graphique ci-dessous représentant \( 100 \) échantillons.
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[[[22.3, 0.2337], [23.7, 0.2337]], {"stroke": "red"}], [[[24, 0.260408], [24, 0.264192]], {"stroke": "red"}], [[[23.3, 0.2623], [24.7, 0.2623]], {"stroke": "red"}], [[[25, 0.219808], [25, 0.223592]], {"stroke": "red"}], [[[24.3, 0.2217], [25.7, 0.2217]], {"stroke": "red"}], [[[26, 0.286008], [26, 0.289792]], {"stroke": "red"}], [[[25.3, 0.2879], [26.7, 0.2879]], {"stroke": "red"}], [[[27, 0.240508], [27, 0.244292]], {"stroke": "red"}], [[[26.3, 0.2424], [27.7, 0.2424]], {"stroke": "red"}], [[[28, 0.238408], [28, 0.24219200000000002]], {"stroke": "red"}], [[[27.3, 0.2403], [28.7, 0.2403]], {"stroke": "red"}], [[[29, 0.263608], [29, 0.267392]], {"stroke": "red"}], [[[28.3, 0.2655], [29.7, 0.2655]], {"stroke": "red"}], [[[30, 0.247008], [30, 0.250792]], {"stroke": "red"}], [[[29.3, 0.2489], [30.7, 0.2489]], {"stroke": "red"}], [[[31, 0.22830799999999998], [31, 0.232092]], {"stroke": "red"}], [[[30.3, 0.2302], [31.7, 0.2302]], {"stroke": "red"}], [[[32, 0.219708], [32, 0.223492]], 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{"stroke": "red"}], [[[93.3, 0.2294], [94.7, 0.2294]], {"stroke": "red"}], [[[95, 0.22680799999999998], [95, 0.230592]], {"stroke": "red"}], [[[94.3, 0.2287], [95.7, 0.2287]], {"stroke": "red"}], [[[96, 0.250708], [96, 0.254492]], {"stroke": "red"}], [[[95.3, 0.2526], [96.7, 0.2526]], {"stroke": "red"}], [[[97, 0.271208], [97, 0.274992]], {"stroke": "red"}], [[[96.3, 0.2731], [97.7, 0.2731]], {"stroke": "red"}], [[[98, 0.255108], [98, 0.258892]], {"stroke": "red"}], [[[97.3, 0.257], [98.7, 0.257]], {"stroke": "red"}], [[[99, 0.281708], [99, 0.285492]], {"stroke": "red"}], [[[98.3, 0.2836], [99.7, 0.2836]], {"stroke": "red"}], [[[100, 0.278308], [100, 0.282092]], {"stroke": "red"}], [[[99.3, 0.2802], [100.7, 0.2802]], {"stroke": "red"}]]}
Déduire de ce graphique une valeur approchée de la taille \( N \) des échantillons puis choisir
la valeur exacte la plus proche parmis les choix suivant.