
What is Considered to Be a "Strong" Correlation?

Passage
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
Jennifer Abel
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a Pearson correlation coefficient of 1 indicate?
No linear correlation
A perfectly negative linear correlation
A perfectly positive linear correlation
A nonlinear relationship
Tags
CCSS.HSS.ID.B.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rule of thumb for a 'strong' correlation in most fields?
r > 0.3
r > 0.75
r > 0.5
r > 0.9
Tags
CCSS.HSS.ID.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the medical field, what might be considered a 'strong' correlation?
r = 0.9
r = 0.3
r = 0.5
r = 0.75
Tags
CCSS.HSS.ID.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it useful to create a scatterplot when studying the relationship between two variables?
To determine the mode
To identify outliers and nonlinear relationships
To calculate the mean
To find the median
Tags
CCSS.8.SP.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a Pearson correlation coefficient of 0 indicate?
A nonlinear relationship
A perfectly positive linear correlation
No linear correlation
A perfectly negative linear correlation
Tags
CCSS.HSS.ID.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the correlation coefficient if there is an extreme outlier in the dataset?
It becomes zero
It can dramatically change
It decreases
It remains the same
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of a strong positive correlation?
Marketing dollars spent and total income earned
The older a chicken becomes, the less eggs they produce
The more hours a student studies, the higher their exam score
The temperature outside and the number of ice cream cones sold
Tags
CCSS.HSS.ID.B.5
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an example of a strong negative correlation?
Marketing dollars spent and total income earned
The temperature outside and the number of ice cream cones sold
The more hours a student studies, the higher their exam score
The older a chicken becomes, the less eggs they produce
Tags
CCSS.HSS.ID.B.5
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a Pearson correlation coefficient measure?
The nonlinear association between two variables
The median of two variables
The mean of two variables
The linear association between two variables
Tags
CCSS.HSS.ID.B.5
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