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Author Question: Before a chi-squared test of a contingency table can be carried out, the expected values of all ... (Read 93 times) |
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There are approximately 3 million unintended pregnancies in the United States each year.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.