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A principal wants to find out how many hours per week the students in the school spend
on exercise. Which sample is likely to be most representative of the student population?

A Principal Wants To Find Out How Many Hours Per Week The Students In The School Spend On Exercise Which Sample Is Likely To Be Most Representative Of The Stude class=

Sagot :

I think B (Every fifth student from each grade)

A only talks about female students, C talks about students on a sports team which would be biased since the students on the sports team probably get more exercise, and d would be ok but not the best since some last names are more common and others you would get only a very small sample size.

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