1. An amusement park encourages people to take a customer satisfaction survey by offering a discount coupon to patrons who take the survey. One result to emerge is that 70% of respondents say that their favorite ride was the roller coaster leading the park to conclude that the roller coaster is their most popular ride.
   1. Who is the population of interest?
   2. Who is the population that was sampled from?
   3. What if any are the differences between the population of interest and the population that was sampled from that might affect the results?
   4. Would these results generalize to the population of interest (Would the study have external validity)?