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WorksheetsChoose the Line of Best
Total questions: 15
Worksheet time: 45mins
Name
Class
Date
1.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
2.
What type of association does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
3.
What type of association does this graph show?
a)
Positive
b)
negative
c)
none
d)
all of the above
4.
Is this line an accurate line estimate of best fit for the data?
a)
Yes
b)
No
5.
Is this line an accurate line estimate of best fit for the data?
a)
Yes
b)
No
6.
What type of Correlation?
a)
Positive Correlation
b)
Negative Correlation
c)
No Correlation
7.
Which line is the best line of best fit?
a)
a
b)
b
c)
c
d)
i don't see any lines
8.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
9.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
10.
What are the coordinates of the outlier?
a)
(1,9)
b)
(9,1)
c)
(2,2)
d)
y=x
11.
What type of correlation?
a)
Positive Correlation
b)
Negative Correlation
c)
No Correlation
12.
What kind of correlation?
a)
Positive
b)
Negative
c)
No
13.
What kind of correlation?
a)
Positive
b)
Negative
c)
No
14.
Which with is the line of best fit?
a)
A) Black
b)
B) Orange
c)
C) Red
d)
D) Blue
15.
What is the y-intercept?
a)
-2
b)
3
c)
2
d)
-3
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