Roland asked 9 people how many brothers and sisters they each
have. He made the scatter plot shown below to display his results.
The data do represent a function because there is one
unique point for each person Roland asked.
Brothers and Sisters
у
8
(b
The data do not represent a function because the same
number of brothers can give different numbers of sisters.
7
6
The data do not represent a function because the point (1,6)
is an outlier
4
3
The data do represent a function because (3, 2), (4,1), and
(5, 0) lie on the same line,
2
1
X
0
1 2 3 4 5 6 7 8
Brothers
Which statement best explains whether the data from Roland's
scatter plot represent a function of the number of sisters based on
the number of brothers a person has?
Pause
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