Sampling Methods

Question 1

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?

Revolt · Accepted Answer

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

Question 2

To determine how a city’s residents feel about building a new youth center, a group considers surveying 50 random children at a local elementary school. Why would this result in a biased sample? Select three answers.

Revolt · Accepted Answer

A: The sample ignores the adult portion of the city’s residents.; C: Children are probably more likely to be in favor of a new youth center.; E: The sample does not include children in middle school or high school.

Question 3

Would you consider these results to be valid?

Revolt · Accepted Answer

C: No, because boys on the basketball team are likely to be taller than the average high school boy.

Sampling Methods Answers

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