Scatter Plots Construction Correlation

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient for this scatterplot.
r = 1.2
r = 0.89
r = 0
r = -0.89
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of association does this scatter plot represent?
positive linear association
negative linear association
no association
nonlinear association
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine the correlation coefficient of the given data:
.9820
-.9643
-1.409
.164
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Based on the graph, if Joe earned $400, how many hours did he work?
15 hours
20 hours
25 hours
30 hours
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine the Correlation Coefficient and decide whether it is weak, moderate, or strong.
0.07 weak
-0.26 weak
-0.26 moderate
0.07 strong
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The correlation coefficient is a number "r" such that:
-1<r<1
-1>r>1
-1≤r≤1
-1≥r≤1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the correlation coefficient of a table of data is 0.85, what is true about the line of best fit?
There is a weak, positive relationship
There is a strong, positive relationship
There is a weak, negative relationship
There is a strong, negative relationship
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