Pearson's Correlation Coefficient Review
Authored by Parth Sood
Mathematics
11th Grade - Professional Development
CCSS covered
Used 120+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Correlation coefficient is represented by "R".
True
False
Tags
CCSS.HSF-LE.A.1B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The correlation coefficient is a number "r" such that:
-1 < r < 1
-1 > r > 1
-1 ≤ r ≤ 1
-1 ≥ r ≤ 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If every brother is exactly two inches taller than his sister, what would the correlation between the heights of brothers and sisters be?
Nearly 1
0
Somewhat positive
1
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Correlation applies to both quantitative and categorical data.
True
False
Tags
CCSS.HSS.ID.C.8
CCSS.HSS.ID.C.9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true for correlation coefficients?
x is the explanatory variable and y is the response variable.
x is the response variable and y is the explanatory variable.
The choice of x and y as the explanatory and response variables does not matter.
Tags
CCSS.HSS.ID.C.8
CCSS.HSS.ID.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient
r = 1
r = -1
r ≈ -0.8
r ≈ 0.8
r ≈ -0.5
Tags
CCSS.HSS.ID.C.8
CCSS.HSS.ID.B.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient for this scatterplot.
A) r = 1.2
B) r = 0.89
C)r = 0
D) r = -0.89
Tags
CCSS.HSS.ID.C.8
CCSS.HSS.ID.B.6
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