Question: Which of the following techniques yields a simple random sample? Select one: a. Numbering all the elements of a sampling frame and then using

Which of the following techniques yields a simple random sample? Select one:

Which of the following techniques yields a simple random sample? Select one: a. Numbering all the elements of a sampling frame and then using a random number table to pick cases from the table. b. Listing the individuals by ethnic group and choosing a proportion from within each ethnic group at random c. Choosing volunteers from an introductory psychology class to participate d. Randomly selecting schools, and then sampling everyone within the school

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