Interpret Trend Line
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 • 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
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?
Hint: create the trend line first
65
92
70
76
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which best describes the form of this scatterplot?
linear
nonlinear
scattered
Tags
CCSS.8.F.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
315
472.5
321
324
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The equation of the trend line
is y hat= 1/2x +1. What does the x variable represent?
The number of laps
The amount of time in hours
The amount of time in minutes
How long it takes to go 0 laps
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sammy is selling his comic book collection on the internet. The scatterplot shows how many comic books he has left at the end of each day. Using the trend line, how many comic books should Sammy have left after 6 days?
15
10
30
8
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
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