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16 November, 10:40

Which of these is an example of a non-random sample?

A.

Out of all the seventh grade students in a public school district, fifteen are chosen to win a trip to a vacation destination.

B.

Airline passengers to Orlando, Florida, are asked about vacation plans.

C.

At a school assembly, five students are randomly chosen to receive free admission to a theme park.

D.

Registered voters in Arizona are surveyed to determine if they have relatives in Florida.

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  1. 16 November, 11:01
    0
    The answer is C, because it is the only group of samples that is not biased, as A only includes 7th graders, B only includes Orlando tourists, and D only includes people in Arizona.
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