A directory of personal computer retail outlets in the United States contains 12,080 alphabetized entries. Explain how systematic sampling could be used to select a sample of 300 outlets.
Answer to relevant QuestionsGive a variable that could be used to stratify the population for each of the following studies. List at least four subcategories for each variable.a. A political party wants to conduct a poll prior to an election for the ...A random sample of size 70 is taken from a population that has a variance of 49.The sample mean is 90.4.What is the point estimate of µ? Construct a 94% confidence interval for µ.According to the U.S. Census Bureau, the average travel time to work in Philadelphia is 27.4 minutes. Suppose a business researcher wants to estimate the average travel time to work in Cleveland using a 95% level of ...A valve manufacturer produces a butterfly valve composed of two semicircular plates on a common spindle that is used to permit flow in one direction only. The semicircular plates are supplied by a vendor with specifications ...The Universal Music Group is the music industry leader worldwide in sales according to Nielsen Sound Scan. Suppose a researcher wants to determine what market share the company holds in the city of St. Louis by randomly ...
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