Bonjour,
A/ (18 + 2 + 17 + 23 + 15 + 12 + 28 + 6 + 70 + 9)/20 = 200/10 = 20 = VINGT
B/ [(1 x 3) + (6 x 3) + (5 x 5) + (6 x 5)]/(3 + 6 + 5 + 5)
= (3 + 18 + 25 + 30)/19
= 76/19 = 4 = QUATRE
C/ ATTENTION LES DONNÉES SONT EN CENTAINES !
[(500 x 2) + (1000 x 3) + (2000 x 1)]/(3 + 2 + 1)
= (1000 + 3000 + 2000)/6
= 6000/6 = 1000 = MILLE
D/ [(2 x 11) + (5 x 1) + (10 x 17) + (25 x 15)]/(11 + 1 + 17 + 15)
= (22 + 5 + 170 + 375)/44
= 572/44 = 13 = TREIZE
E/ [(5 x 5) + (8 x 9) + (10 x 3) + (12 x 4) + (13 x 1) + (15 x 3) + (16 x 8) + (17 x 7)/(9 + 8 + 7 + 5 + 4 + 3 + 1)
= (25 + 72 + 30 + 48 + 13 + 45 + 128 + 119)/37
= 480/37 = 12,9 = DOUZE
F/ (2,5 + 18,5 + 14 + 17,25 + 7 + 9 + 9 + 0,25 + 3,5)/9
= 81/9 = 9 = NEUF
Le nom du statisticien célèbre est : GALTON
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Bonjour,
A/ (18 + 2 + 17 + 23 + 15 + 12 + 28 + 6 + 70 + 9)/20 = 200/10 = 20 = VINGT
B/ [(1 x 3) + (6 x 3) + (5 x 5) + (6 x 5)]/(3 + 6 + 5 + 5)
= (3 + 18 + 25 + 30)/19
= 76/19 = 4 = QUATRE
C/ ATTENTION LES DONNÉES SONT EN CENTAINES !
[(500 x 2) + (1000 x 3) + (2000 x 1)]/(3 + 2 + 1)
= (1000 + 3000 + 2000)/6
= 6000/6 = 1000 = MILLE
D/ [(2 x 11) + (5 x 1) + (10 x 17) + (25 x 15)]/(11 + 1 + 17 + 15)
= (22 + 5 + 170 + 375)/44
= 572/44 = 13 = TREIZE
E/ [(5 x 5) + (8 x 9) + (10 x 3) + (12 x 4) + (13 x 1) + (15 x 3) + (16 x 8) + (17 x 7)/(9 + 8 + 7 + 5 + 4 + 3 + 1)
= (25 + 72 + 30 + 48 + 13 + 45 + 128 + 119)/37
= 480/37 = 12,9 = DOUZE
F/ (2,5 + 18,5 + 14 + 17,25 + 7 + 9 + 9 + 0,25 + 3,5)/9
= 81/9 = 9 = NEUF
Le nom du statisticien célèbre est : GALTON