Which of the following techniques yield a simple random sample? A. ch
Which of the following techniques yield a simple random sample?
A. choosing volunteers from an introductory nursing class to participate
B. listing individuals by ethnic group and choosing a proportion from within each group at random
C. numbering all elements of a sampling frame and using a random number table to pick individuals
D. randomly selecting schools, and then sampling everyone within each school
ESSAYBID ANSWER
ANS: C
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