4. look at the graph below which shows the results of a drugs trial with 6000 patients. 3000 patients were
riven a tablet containing statins, 3000 were not. both groups were given advice on changing their lifestyle
and diet
without
statins
with statins
a) describe the two conclusions that can be made from the results
b) what is the name given to the group that were not given statins?
c) what would they have been given instead?
d) give one reason that the results of this trial would be considered to be reliable
5. look at the graph below.
compare the incidence of disease for the different weight groups. don't forget to include data.