homework2 - Stat 651 (Winter 2011) Kaizar Homework 2 Due by...

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Stat 651 (Winter 2011) Kaizar Homework 2 Due by 5:00pm, Friday January 21 . To receive credit please follow the instructions given in the syllabus. All numbered problems are from the course textbook. Reading : Lohr, Chapter 2, sections 1-3 Exercises 1. A researcher is considering using the following question in an upcoming survey questionnaire: Many people who own vehicles have regular service work done on them, such as having the oil changed. Whit kind of service work do you usually have done on your vehicle? Specify one or two. (a) Oil changes (b) Fluid replacement (c) Tune-up (d) Body repair (e) Warranty-related services (f) Tire care (g) Transmission overhaul (h) Air conditioner treatment Discuss one or two potential problems with this question. 2. In the previous question, describe one method the researcher might use to re±ne her question- naire using others input before conducting her survey. Brie²y mention one or two advantages of using this method. 3. The Pew Research Center for the People and the Press (a generally respected research orga-
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This note was uploaded on 07/26/2011 for the course STA 651 taught by Professor Kaizar during the Winter '11 term at Ohio State.

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homework2 - Stat 651 (Winter 2011) Kaizar Homework 2 Due by...

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