What is a line of best fit used for?
Best Line of Fit

Quiz
•
Mathematics
•
8th Grade
•
Medium
Anthony Clark
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To make predictions
To make the graph look pretty
To connect the points
To make it look like you know what you are doing
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which graph has a correlation coefficient (r) of about -.6 ?
a
b
c
d
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?
Strong positive
Weak positive
Strong negative
Weak negative
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this line an accurate line estimate of best fit for the data?
Yes
No
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit?
y= 6x + 2
y = -2x +6
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