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Mathematics, 12.08.2020 14:01 debk

At a party there are 30 students over the age of 18 and 20 students under 18. You
randomly choose 3 students over 18 and 2
students under 18 to interview. This is an
example of:

A. A convenience sample
B. A self-selected sample
C. A systematic sample
D. A random sample

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