5.71 Describe the population and the sample.
For each of the following situations, describe the population and the sample.
5.71
(a) The population is all students in the United States at four-year colleges. The sample is the 17,096 people surveyed. (b) The population is all restaurant workers. The sample is the 100 people asked. (c) The population all 584 longleaf pine trees. The sample is the 40 trees measured.