Correlação Linear
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Carla Farinha
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Considera a nuvem de pontos representados no referencial.
Em quais das situações representadas será adequada a interpretação da relação entre as variáveis estatísticas?
A e B
A e C
B e C
A, B e C
2.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Considera a nuvem de pontos representada no referencial que representam os valores de duas variáveis.
Qual poderá ser o valor do coeficiente de correlação?
r=0,3
r=-0,8
r=0,8
r=0,1
3.
FILL IN THE BLANK QUESTION
1 min • 20 pts
Qual o outro nome para a reta de regressão?
4.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Qual dos gráficos faz corresponder a um coeficiente de correlação linear r=0,9?
5.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Qual poderá ser a equação da reta de regressão apresentada no referencial?
6.
OPEN ENDED QUESTION
3 mins • 20 pts
Nos gráficos estão representadas nuvens de pontos. Faz corresponder a cada gráfico um dos seguintes coeficiente de correlação: r=-0,28, r=-0,75, r=0,92
Elabora um pequeno texto fundamentando a correspondência que fizeste.
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7.
DRAW QUESTION
2 mins • 20 pts
Desenha na nuvem de pontos uma possível reta de regressão:
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