Scatterplots and Line of Best Fit

Quiz
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
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?
65
92
70
76
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.8.F.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the slope from the table.
-4
1
4
-2
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the slope from the table:
-2/5
5/-2
5/2
2/5
Tags
CCSS.8.EE.B.5
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
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the line of best fit?
f(x)= 5x+1.82
cannot be determined
f(x)= 1.82x + 5.02
f(x)= 1.1x + 4.2
Tags
CCSS.8.EE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the equation of the line of best fit for the given data
y=163.41x+4.19
y=-163.41x+4.19
y=-4.19x+163.41
y= 4.19x+(-163.41)
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