Describe the Correlation
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Anthony Clark
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?
The more books students read, the lower their English grade.
The more books students read, the higher their English grade.
The fewer books students read, the higher their English grade.
No relationship exists between the number of books students read and their English grades.
Tags
CCSS.RI.11-12.7
CCSS.RI.8.7
CCSS.RI.9-10.7
CCSS.RL.8.7
CCSS.RL.9-10.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
As x increases, y decreases.
no correlation
negative correlation
correlation coefficient
positive correlation
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot shows the number coffee shops in different cities and the number of violent crimes. Which of the following is NOT true?
A) As the number of coffee shops increase, violent crimes appears to increase.
B) The line of best fit (regression line) shows a positive correlation
C) The data has a positive correlation coefficient
D) An increase in coffee shops causes an increase in violent crimes
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the relationship between the variables.
no correlation
strong positive correlation
strong negative correlation
weak positive correlation
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient
r=-1
r=1
r=-0.5
r=0.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the relationship between the variables.
Strong positive correlation
Weak positive correlation
Strong negative correlation
Weak negative correlation
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the relationship.
Strong positive correlation
Strong negative correlation
Weak positive correlation
No correlation
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