Linear Regression & Correlation Coefficient
Authored by Catherine Williamson
Mathematics
9th Grade
CCSS covered
Used 7+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.
12 chapters
15 chapters
18 chapters
21 chapters
Tags
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
CCSS.HSF.IF.B.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Select the statement that best describes the line.
The line is the line of best fit.
The line is not a line of best fit because it does not pass through two points.
The line is not a line of best fit because it does not go through the middle of the data set.
The line is not a line of best fit because it does not go through the origin.
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The equation of the trend line is y= 1/2x +1. How many laps can a bicycle make around the park in 23 minutes?
44 laps
12 1/2 laps
23 laps
Tags
CCSS.HSS.ID.C.7
CCSS.HSA.CED.A.2
CCSS.HSA.REI.D.10
CCSS.HSA.SSE.A.1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which line represents the best fit for the scatter plot?
A
B
C
D
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following lines represents the best fit for the scatter plot?
A
B
C
There is no line of best fit for this graph because there is no trend.
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?
Tags
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
CCSS.HSF.IF.B.4
CCSS.HSF.IF.C.7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the line of best fit?
f(x) = 5x + 1.82
Cannot be determined
f(x) = 1.82x + 5.02
f(x) = 1.1x + 4.2
Tags
CCSS.8.EE.B.5
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