A freight company is planning to test out a new model of truck for their freight shipping, 100 drivers volunteered to test the possible new type of truck Each truck driver drove the old trucks
for one month and the new trucks for one month. To determine which truck would be driven fist, a
coin was flipped. If the coin came up heads, the truck driver drove the old truck first. If the coin
came up tails, the truck driver drove the new truck first. At the end of each one month period, the
truck drivers were asked to rate their satisfaction with their experience driving the truck. Which of
the following best describes this study?