1. Determine whether the study is a randomized comparative experiment. 5 points If it is, describe the treatment, the treatment group, and the control
group. If it is not, explain why not and discuss whether the conclusions
drawn from the study are valid. *
At a car dealership, customers were given the choice of whether to have side cameras installed on their new
cars for free. Forty car owners who had the cameras installed and 40 car owners who did not have the cameras
installed were monitored. At the end of 2 years, the car owners who had the side cameras installed had 22%
fewer car accidents than car owners in the other group.