Four scientists collected data on the blood pressure of 30
people.
Which scientist most likely had a problem with
experimental design?
100
Scientist 1
Scientist 2
O
O
O
Scientist 1
Scientist 2
Scientist 3
25
O
Scientist
Below
average
Average Above
average
Below
average
Average Above
average
Scientist 3
Scientist
88
% 50-
15
Below Average Above
Below Average Above
average
average
average