Exploring Line 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
Which sentence describes the relationship shown on this scatter plot?
As the temperature decreases, the visitors increase.
As the temperature increases, the number of visitors increases.
As the visitors increase, the temperature decreases.
No correlation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which line is the best line of best fit?
a
b
c
i don't see any lines
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the coordinates of the outlier?
(1,9)
(9,1)
(2,2)
y=x
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine the predicted income if 22 hours were worked on an assembly job.
$207.30
$449.60
$691.90
$543.30
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which graph has a correlation coefficient (r) of about -.6 ?
a
b
c
d
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the y-intercept?
-2
3
2
-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which sentence describes the relationship shown on this scatter plot?
As the temperature decreases, the visitors increase.
As the temperature increases, the number of visitors increases.
As the visitors increase, the temperature decreases.
No correlation
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