Question 3
4 po
(02.04 lc)
banana tree type 1 yielded 135 bushels per acre last year at a research farm, and the farm experienced a drought. this
year, banana tree type 2, planted in the same location, yielded 167 bushels per acre. the researchers do not know
whether the difference is a result of the superiority of type 2 banana trees or the drought. what is this an example of?
(4 points)
confounding variable
bias
o matched pairs design
the placebo effect
replication