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Mathematics, 27.11.2019 19:31 jslaughter3
Astatistics instructor wants to measure the effectiveness of his teaching skills in a class of 75 students (n = 75). he selects students by waiting at the door to the classroom prior to his lecture and pulling aside every third student to give him or her a questionnaire. a. is this sample design an example of random sampling? explain. b. assuming that all students attend his class that day. how many students will the instructor select to complete his questionnaire?
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