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Author Question: Norms obtained from stratified random samples are preferred to those obtained from simple random ... (Read 79 times) |
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Illicit drug use costs the United States approximately $181 billion every year.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.