What's wrong? Explain what is wrong with each of the following random selection procedures and decribe how you would do the randomization correctly
(a) To determine the reading level of an introductory statistics text, you evaluate all the written material in the third chapter.
(b) You want to sample student opinions about a proposed change in procedures for changing majors. You hand out questionnaires to 100 students as they arrive for class at 7:30 A.M.
(c) A population of subjects is put in alphabetical order, and a simple random sample of size 10 is taken by selecting the first 10 subjects in the list.