1. To collect information on how well it is serving its customers, a restaurant places questionnaire cards on the tables, with card deposit boxes located near the exit.
a. Do you think that nonresponse error might influence the results of this effort? In what way(s)?
b. In addition to being a source of information to management, are the cards providing any other benefits? In what way(s)?
2. A mail survey of junior executives is designed to measure how much time they spend reading The Wall Street Journal each day and how they feel about the newspaper's content and layout. Formulate one question of each of the following types that might be included in the questionnaire: (a) multiple-choice; (b) dichotomous; (a) open-ended.