Question: Hey i need help with this exercise questions b c and d I. Vous travaillez pour une entreprise d'entretien mnager d'difices. II est trs important

I. Vous travaillez pour une entreprise d'entretien mnager d'difices. II est trs

Hey i need help with this exercise questions b c and d

important pour l'entreprise d'estimer le mieux possible le temps ncessaire l'entretien d'un

I. Vous travaillez pour une entreprise d'entretien mnager d'difices. II est trs important pour l'entreprise d'estimer le mieux possible le temps ncessaire l'entretien d'un difice avant de faire une soumission. Le coot que la compagnie demande dans ses soumissions dpend de cette estimation. La compagnie effectue dj l'entretien de diffrents difices et elle a tabli un tableau donnant la su perficie de chacun et le temps ncessaire pour en faire l'entretien. Superficie (m2) 87 81 69 64 60 51 44 39 28 Nombre d'heures par semaine 320 400 260 388 325 284 227 180 125 a) b) c) d) Reprsenter graphiquement les donnes. l'aide ces donnes, tablir un modle dcrivant la relation entre le temps consacr l'entretien et la superficie. La compagnie doit soumissionner pour l'entretien d'un difice de 56 000 m2. Estimer le temps d'entretien l'aide du modle que vous avez construit. Calculer le coefficient de corrlation. Que vous indique ce coefficient ?

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