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Kareem wants to find the number of hours the average sixth-grader at his school practices an instrument each week. Which is the best way Kareem can get a representative sample?
He can randomly survey 50 boys in the school.
He can survey 30 students in the school band.
He can randomly survey 50 sixth-graders in the school.
He can survey 20 friends from his neighborhood.

Sagot :

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Answer:

He can randomly survey 50 sixth-graders in the school. Because if he asked 30 people in the band some people might be in a different grade, if he randomly 50 boys in the school then what if half didn't even play anything. If he did friend what if most friends don't even play a instrument.

Then which one would it be it would be more easier if he did 50 random sixth-graders because they might know friends or themselves and a person who plays an instrument.

Hope this helps

Answer:

He can randomly survey 50 sixth-graders in the school.

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