
Rappel de première bac pro - maths
Authored by Timo 1:2
Mathematics
12th Grade
Used 10+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Une série statistique est représentée par :
Une droite
un nuage de points
un nuage d'ajustement affine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si les points sont alignés, on peut faire un ajustement :
Logarithmique
Affine
Exponentiel
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'équation de la droite d'ajustement affine est de la forme :
y = a/x + b
y = ax2 + b
y = ax + b
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'ajustement est pertinent si le coefficient de détermination R2 est de proche de :
-1
2
0
1
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Le point de coordonnées ( 11 ; 6 ) a pour ordonnée :
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lorsque les deux variables sont liées, on parle de :
causalité
médiane
corrélation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si U est la suite arithmétique de premier terme U0 et de raison r , quelle est l'expression de Un en fonction de n?
Un = U0 x nr
Un = U1 + n x r
Un = U0 + n x r
Un = U1 x n x r
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