quiz 1 A1

quiz 1 A1 - Started on: Thursday, 10 January 2008, 08:59 AM...

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Started on: Thursday, 10 January 2008, 08:59 AM Completed on: Thursday, 10 January 2008, 09:10 AM Time taken: 11 mins 13 secs Raw score: 2/10 (20%) Grade: 2 out of a maximum of 10 1 Marks: 1 John is the research assistant for a sociology professor at UCLA. The professor is conducting a study to compare the attitudes of male and female seniors in sociology, psychology, and computer science toward their satisfaction with the courses that they take in their major. The professor has arranged for John to have a complete list of the undergraduates in the above majors. What method of sampling should John use? Choose one answer. a. Stratified random sampling b. Systematic sampling c. Simple random sampling d. Multi-stage sampling Incorrect Marks for this submission: 0/1. 2 Marks: 1 A health maintenance organization (HMO) has changed its policy regarding paying for prescription drugs. This organization serves the following areas in Los Angeles County: Westwood, Pasadena, Echo Park, Encino, Tarzana, and Glendale. In each of these areas, there are 20 doctors that work for this HMO. They want to evaluate the attitude of the patients in the 50 and older age range toward their new policy about paying for drugs. They randomly select three doctors in each of the above areas and have them administer the relevant questionnaire to their patients in the 50 and older age range. What is the best answer? Choose one answer. a. This HMO is conducting cluster sampling b. This HMO is conducting quota sampling c. This HMO is conducting stratified random sampling d. This HMO is conducting simple random sampling e. This HMO is conducting multi-stage sampling Incorrect Marks for this submission: 0/1. 3
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This essay was uploaded on 04/21/2008 for the course STATS 112 taught by Professor Esfandini during the Spring '08 term at UCLA.

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quiz 1 A1 - Started on: Thursday, 10 January 2008, 08:59 AM...

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