The scatter diagram shows the age
and yearly salary of a sample of seven
surgeons in a hospital.
Salary (£
Igor recently immigrated to the UK.
He was an experienced surgeon in his
country but had to re-do his medical
training in order to work in the UK.
a) Which point on the graph represer
Igor's data?
The Managing Director of this hospita
concludes that the salary of a surgeo
is linked to their age.
b) Give one reason why the scatter
graph might support this conclusioN
c) How could we make this conclusie
more reliable?