United States of America
Grade 8
11.03 Lines of best fit
Adaptive
Worksheet
Interactive practice questions
The following scatter plot shows the data for two variables, $x$x and $y$y.
a
Determine which of the following graphs contains the line of best fit.
A
B
C
D
b
Use the line of best fit to estimate the value of $y$y when $x=4.5$x=4.5.
$4.5$4.5
A
$5$5
B
$5.5$5.5
C
$6$6
D
c
Use the line of best fit to estimate the value of $y$y when $x=9$x=9.
$6.5$6.5
A
$7$7
B
$8.4$8.4
C
$9.5$9.5
D
Medium
1min
The following scatter plot graphs data for the number of people in a room and the room temperature collected by a researcher.
Medium
1min
The following scatter plot graphs data for the number of copies of a particular book sold at various prices.
Medium
1min
The following scatter plot graphs data for the number of copies of a particular book sold at various prices.
Medium
1min
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