Identify Lines of Best Fit
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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15 questions
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1.
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
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following lines represents the line of best fit for the scatter plot?
There is no line of best fit for this graph.
B
C
D
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many turtles are there?
440 turtles
40 turtles
150 turtles
90 turtles
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of association does this graph have?
positive
negative
none
all of the above
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which line is the best fit for the data? (Half points above the line, half points below the line.)
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