révisions stat à 2 var en 1ère
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
elodie ouisse
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quelle est la modélisation la plus proche de ce nuage de point ?
Une fonction carré
Une fonction affine
Une fonction linéaire
Une fonction exponentielle.
Answer explanation
On observe une fonction affine qui passe par le nuage de point.
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
oui
non
Answer explanation
En effet on observe graphiquement une corrélation positive entre dioxyde de carbone et consommation.
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Finalement quelle est l'équation de droite obtenu par régression linéaire?
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Finalement quelle est l'équation de droite obtenu par régression linéaire?
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La régression linéaire est elle fiable?
oui
non
un peu
Answer explanation
Oui la régression affine est fiable car r=0.997 (proche de 1)
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La régression linéaire est elle fiable?
oui
non
un peu
Answer explanation
Oui la régression affine est fiable car r=0.997 (proche de 1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
évolution de la consommation de gaz
évolution de l'écart de température
je ne sais pas
Answer explanation
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