Strong or Weak Correlation Given R Values

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the correlation in the graph shown.
Strong Negative
Strong Positive
Weak Negative
Weak Positive
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
r=-0.89
Strong positive
Weak positive
Strong negative
Weak negative
3.
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
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the correlation coefficient for the data indicate about the strength of the linear association between the x and y variables Hint: what is the correlation based on the scatter plot
strong negative
weak negative
strong positive
weak positive
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The table shows the lengths and corresponding ideal weights of sand sharks. Which r-value is more accurate for the data?
r = 0.99
r = -0.90
r = 0.09
r = -0.099
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
As shown in the table, a person's target heart rate during exercise changes as the person gets older. Use the graphing calculator to find the correlation coefficient (r).
-0.999
-0.664
0.998
1.503
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