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Pour calculer les moyennes respectives des variables "Cours1" et "Cours2" dans Jamovi, voici la justification pour chaque option :A) Correct. Pour calculer les moyennes des variables, vous devez placer "Cours1" et "Cours2" dans la zone "Variables". Jamovi affichera les statistiques descriptives, y compris la moyenne pour ces variables.B) Incorrect. Placer "Cours1" dans "Variables" et "Cours2" dans "Split by" impliquerait que vous cherchez à obtenir des statistiques descriptives pour "Cours1" séparées par les catégories de "Cours2", ce qui n'est pas la demande.C) Incorrect. C'est l'inverse de B) et comporte la même erreur. Vous auriez des statistiques pour "Cours2" séparées par les catégories de "Cours1".D) Incorrect. Ce menu est exactement où vous devriez être pour calculer des statistiques descriptives comme les moyennes, donc quitter ce menu ne serait pas approprié.term-0

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