1 pts
A student wishes to study the effects of various doses of caffeine on high school
students. He divides up his class into 3 groups, keeping each group composed of similar
numbers of male and female students. They then give each group 20mL of Koolaid. The
first group has no caffeine in it. The second group has 10mg of caffeine, and the third
has 20mg of caffeine. After 10 minutes, each student has their pulse rate measured.
What would be a possible hypothesis based on the experiment above?
