Medicine, 28.01.2020 02:31 kay4358

Which of the following conditions must be met for a scientifically valid
sample? subjects are selected: check all that apply.

a. at random.
b. from the most conveniently available people.
c. based only on who volunteers.
d. to represent the population.

Answers: 3

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Which of the following conditions must be met for a scientifically valid
sample? subjects are...

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