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Question 18 [3 points]: Une etude a ete faite pour quantifier le lien existant entre la masse grasse et la depense energeticue dans des conditions

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Question 18 [3 points]: Une etude a ete faite pour quantifier le lien existant entre la masse grasse et la depense energeticue dans des conditions sedentaires. L'etude a porte sur sept patients choisis au hasard. Les variables considerees sont les suivantes: la masse grasse (en kg) et la depense energeticue pendant 24 heures. Voici des donnees de l'etude: Participant | Masse grasse en kg (x) |Depense energeticue en kcal (y) 49.3 1894 59.3 2050 68.3 2353 48.1 1838 57.6 1948 78.1 2528 76.1 2568 Nous avons aussi calculer les statistiques suivantes: 7 I = 62.4, y = 2168.429, Ex? = 28 134.06, Ey? = 33 484701, Tiyi = 969 123.3 i=1 i=1 i=1 Determiner la droite de regression pour decrire y en fonction de r. A) y = 607.8 - 25.01x B) y = -607.8 - 25.01r C) y = 7011.9 + 25.01x D) y = 1556.6 + 25.01x E) y = 607.8 + 25.01x

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