Mathematics
Mathematics, 27.07.2019 21:30, Arealbot

What would be the best way to select an unbiased population-sample that represents the following topic: what is the favorite sport in mr. smith's class? a. ask four people on your soccer team. b. ask, "do you like silly soccer, or exciting football? " c. ask people reading at recess. d. randomly survey at least 20 people in the class.

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