Estimating Correlation Coefficient

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of association does this graph have?
positive
negative
none
all of the above
Tags
CCSS.HSF-LE.A.1B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient.
r=-1
r=1
r=-0.5
r=0.5
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient
r=1
r=-1
r=0
r=-0.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient.
Strong positive correlation
Strong negative correlation
Weak positive 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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