the following information to answer questions 8-10, circle the best answer. A pe

Question

the following information to answer questions 8-10, circle the best answer. A personnel director at a large com studied the eating habits of employees by watching the movements of a selected group of purpose of the study was to determine the proportion of employees who buy lunch in the cafeteria, bring their own lunches, or go out to lunch. employees at lunchtime. The 8. The study could best be categorized as: a. a census b. a survey sample c. an observational study d. a designed experiment e. none of these 9. If the director includes only the employees in one department in her study, she is performing a a. simple random sample b. quota sample c. convenience sample d. multi-stage sample e. census 10.If the director selts 50employees at random from throughout the company anheir lnchtime practices by gender, she is: a. blocking for gender b. testing for a lurking variable c. promoting sexual harassment d. testing for bias e. none of these

Explanation / Answer

8. Option C is correct since the director is not influencing any variable.

9. Option C is correct since the sampling has been done as per convenience.

10. Option A is correct since the effect of gender is eliminated.

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