Linear Models and Scatter Plots
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
Is this line an accurate line estimate of best fit for the data?
Yes
No
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Choose the graph with a trend line that best fits the data.
graph 1
graph 2
graph 3
graph 4
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?
A
B
C
There is no line of best fit for this graph because there is no trend.
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the statement that best describes the line.
The line is a good trend line.
The line is NOT a good trend line because it does not pass through two points.
The line is NOT a good trend line because it does not go through the middle of the data set.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which sentence describes the relationship shown on this scatter plot?
The more time spent training, the longer it takes to run 100 m.
As the time spent training increases, the time to run 100 m decreases.
As the time spent training decreases, the time to run 100 m decreases.
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the association of the scatter plot.
Linear; positive association
Linear; negative association
Non-linear
Tags
CCSS.8.F.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chang wants to know if he is improving his skill on the cello. He created a scatter plot and drew a line of best fit. If he uses the point (2, 8) and (4, 4) from his line, which equation would best represent the line of best fit?
y = -2x + 12
y = 2x + 4
y = -2x -12
y = -2x + 11. 5
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