The scatter diagram shows the scores of 10 students
in their Maths and English exams.
100
English
90
80
70
60
40
30
20
10
000
X
H
X
X
X
10 20 30 40 50 60
Maths
x
70 80
X
90 100
A line of best fit has been drawn.
a) What type of correlation is shown
by the graph?
b) A pupil who scored 60 in her Maths
exam was absent and missed the
English exam.
Use the line of best fit to predict what
her English mark could have been.