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.

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Step-by-step explanation:

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

Step-by-step explanation:

Process of elimination:

A: He wants to find the average number of sixth graders, regardless of gender. Also, all of the boys may not be in sixth grade.

B: He wants to find the average time a sixth grader at his school practices, not a band student.

D: His friends may not go to his school and they may not be in sixth grade.

C has the most logical Participants are random, there are many of them, and they are all in sixth grade.

need more info

step-by-step explanation: