TV commercials Th e noted scientist Dr. Iconu wanted to

Chapter 5, Problem 5.80

(choose chapter or problem)

TV commercials Th e noted scientist Dr. Iconu wanted to investigate attitudes toward television advertising among American college students. He decided to use a sample of 100 students. Students in freshman psychology (PSY 001) are required to serve as subjects for experimental work. Dr. Iconu obtained a class list for PSY 001 and chose a simple random sample of 100 of the 340 students on the list. He asked each of the 100 students in the sample the following question: Do you agree or disagree that having commercials on TV is a fair price to pay for being able to watch it? Of the 100 students in the sample, 82 marked Agree. Dr. Iconu announced the result of his investigation by saying, 82% of American college students are in favor of TV commercials. (a) What is the population in this example? (b) What is the sampling frame in this example? (c) Explain briefl y why the sampling frame is or is not suitable for the question being investigated. (d) Discuss briefl y the question Dr. Iconu asked. Is it a slanted question? (e) Discuss briefl y why Dr. Iconus announced result is misleading. (f) Dr. Iconu defended himself against criticism by pointing out that he had carefully selected a simple random sample from his sampling frame. Is this defense relevant? Why?