Q Math 54 Collected Work Section 1.5 Collected Work Name: Total points: 10 1. (8) Each of the following survey has bias. Determine the type of bias and suggest a remedy. a. A politician sends a survey about tax issues to a random sample of subscribers to a literary magazine. b. An interviewer with little foreign language knowledge is sent to an area where her language is not commonly spoken. c. A data-entry clerk mistypes survey results into his computer. d. A health teacher wants to research the weight of college students. She obtains the weights for all the students in her 9 A.M. class by looking at their driver’s licenses or state IDs. 2. (2) Consider this question from a recent Gallup poll: Which of the following approaches to solving the nation’s energy problems do you think the U.S. should follow right now –[ROTATED: emphasize production of more oil, gas and coal supplies (or) emphasize more conservation by consumers of existing energy supplies]? Why is it important to rotate the two choices presented in the question? 1

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