Corrigé de l'examen (Durée : 01h.30 heure)
Exercice 01?? ? x? = 1 N ?nixi = 1 7 (52,9) = 7,55. vx = [ 1 N (?(xi)2)] ? (x?)2 = [ 1 7 (408,7)] ? (7,55)2 = 1,39. ?e = ?vx = ?1,39 = 1,17. ? c.
Exercice 01?? ? x? = 1 N ?nixi = 1 7 (52,9) = 7,55. vx = [ 1 N (?(xi)2)] ? (x?)2 = [ 1 7 (408,7)] ? (7,55)2 = 1,39. ?e = ?vx = ?1,39 = 1,17. ? c.