4. The human resource department at a corporation wants to conduct a survey rega

Question

4. The human resource department at a corporation wants to conduct a survey regarding worker morale. The department has an alphabetical list of all 4502 employees at the company. The department wishes to obtain a random sample of n=50 employees. The department decides to survey the 10 employee (selected at random) from the list and each 90th employee (4502/50-90) after that (10", 100, 190, etc.). Based on this information, what type of sampling design is being used in this situation? A. Random Sample B. Cluster Sample C. Convenience Sample D. Systematic Sample 5. An internet survey is conducted regarding purchases your company's customers recently made at a local store. The survey asks a series of questions regarding customer characteristics (age, gender, income, level of satisfaction with product, etc.). Obviously this is a convenience sample since a customer may choose whether or not to participate in the survey. As an analyst for the company, which of the following would be the best way to analyze this data: Stratify the results by age, gender, and income to determine who your customers are. Make random selections from this data to determine your customer's personal characteristics Make sure the questions asked in this survey were unbiased. Analyze these results with extreme caution and skepticism. The only people responding would tend to be those who are very unsatisfied or extremely happy with the product. A. B. C. D. ish (US)

Explanation / Answer

4. Since the first member is randomly selected and then we are taking each kth sample, this will be an example of systematic sampling.

Option D is correct.

5. Option D is correct.

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