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All first-year students at a university are enrolled in 1 of 30 sections of seminar course...

All first-year students at a university are enrolled in 1 of 30 sections of seminar course (40 students per section). To choose a sample of first year students from this university, a researcher begins by randomly selecting 5 sections from the seminar course, followed by randomly selecting 15 students within each of the 5 sections. This would be an example of:

Select one:

a. Systematic random sampling

b. Convenience sampling

c. Simple random sampling

d. Stratified sampling  

e. Multistage sampling

Math   Statistics-And-Probability   
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