Finding Lines of Best Fit with Correlations
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit?
y = -25x + 170
y = -5/8x + 170
y = 25x + 170
y = 5/8x + 170
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the line of best fit?
y = 5/3x + 375
y = 1/3x + 475
y = 5/3x + 3
y = 1/3x + 375
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the line of best fit to approximate rate of change relative to the scatter plot above.
7/5
5/7
-7/5
-5/7
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which scatter plot shows a linear relationship between x and y?
Graph A
Graph B
Graph C
Graph D
Tags
CCSS.8.F.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed. What is the equation of the line of best fit?
y = (3/2) x
y = 30x
y = 30x + 300
y = (3/2)x + 300
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding. What is the equation of the line of best fit?
y = -25x + 170
y = 25x + 170
y = -(5/8) x + 170
y = (5/8) x + 170
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following lines represents the line of best fit for the scatter plot?
A
B
C
D
Tags
CCSS.8.EE.B.5
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