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A state government study surveyed a representative sample of child-care centers about childhood illnesses. Which statement BEST explains what makes the sample representative?

A
Every child-care center in the state participated in the study.

B
Every child-care center in the state had an equal chance of participating in the study.

C
Every child-care center was asked a series of randomly selected questions.

D
Every child-care center that participated must have reported childhood illnesses to the state.

User Dmitriif
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2 Answers

1 vote

Answer:

A

Explanation:

User Randy Casburn
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3 votes
B the answer....... chupapi
User RQuestions
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