Exploring Line of Best Fit
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Find the equation of the line of best fit for the given data
y = 163.41x+1.49
y =- 163.41x+ 4.19
y =- 4.19x+163.41
y = 4.19x -163.41
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is a line of best fit used for?
To make predictions
To make the graph look pretty
To connect the points
To make it look like you know what you are doing
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Write the linear regression equation for the following data points. Round to the nearest hundredth.
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit
y= -2x + 10
y= 10x+ 2
y=2x+10
y= 10
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Imagine you're helping Zoe, Mia, and Isla find the perfect line of best fit for their scatter plot project. Which of the following lines do you think will earn them an A+?
A
B
C
D
Answer explanation
Line C is the best choice as it closely follows the trend of the data points in the scatter plot, minimizing the distance from the points to the line, which is essential for a strong line of best fit.
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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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