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
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
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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