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Mathematics, 12.05.2021 19:30, nyceastcoast
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.
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Answers: 3
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A state government study surveyed a representative sample of child-care centers about childhood illn...
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