2. The table shows absences and grades for 15 students.
Absences
3
6
0
9
4
2
5
8
3
9
0
2
4
6
1
Grade
85
64
90
41
83
88
78
60
82
50
98
90
85
71
93


(a) On the grid paper, make a scatter plot for these data.
(b) Is there a trend in the graph?
If your answer is yes, explain what the trend shows.


What inferences can you make from the graph?






(c) How did you choose your scale?




(d) Did all the students who have the same number of absences obtain the
same grade? Explain.