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Mathematics, 08.10.2020 17:01 cdvorak8811
For questions 7 and 8, state whether the investigation is an observational study or a designed experiment. Explain your answer.7. Researchers randomly assigned 39,876 initially healthy women 45 years of age or older to 100 mg of aspirin or placebo on alternative days and then monitored them for 10 years for a first major cardiovascular event (i. e. nonfatal myocardial infarction, non-fatal stroke, or death from cardiovascular causes).8. A study involving 3800 people over the age of 65 in East Boston. The study took place over a six year period and compared the age at which death occurred for right handed people vs. left handed people among the 3800 people who died during the six year period. The study concluded there was no difference.
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For questions 7 and 8, state whether the investigation is an observational study or a designed exper...
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