Identifying a Simple Random Sample
A teacher must select a sample of 10 students from a class of 80. Which of the following methods describes a simple random sample (SRS)?
A
A teacher numbering 80 students and selecting 10 at random using a computer-generated random number list.
B
A teacher choosing students based on their seating arrangement.
C
A teacher picking 10 students who volunteer for a study.
D
A teacher selecting the first 10 students listed in the class roster.
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