A statistics teacher wants to know how his students feel about an introductory s

Question

A statistics teacher wants to know how his students feel about an introductory statistics course. He decides to administer a survey to a random sample of students taking the course. He has several sampling plans to choose from. Name the sampling strategy (Method) in each. a. There are four ranks of students taking the class:freshmen, sophomores, juniors, and seniors. Randomly select 15 students from each class rank. b. Randomly select a class rank (freshmen, sophomores, juniors, and seniors) and survey every student in that class rank. c. Each student has a nine-digit student number. Randomly choose 60 numbers. d. Using the class roster, select every fifth student from the list.

Explanation / Answer

a) Stratified Sampling

b) Cluster Sampling

c) Simple random sampling

d) Systematic sampling

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