The scatter diagram shows the results of a group of students in their German Oral and written exams.
1001
X
Maryam got a mark of 70% in the
Oral exam.
90
80
х
* X
70
Using the scatter graph, find an estima
for Maryam's mark in the Written exam.
XX
60
Written (%)
xx
50
%
40
X
X
X
30
20
10
0
10
20 30 40 50 60 70 80 90 100
Oral (%)
Total marks: 2​