Mathematics, 16.07.2019 22:10 eturner518
Determine whether the given description corresponds to an observational study or an experiment. in a study of 387 girls with a particular disease, the subjects were injected with vitamins to determine if the vitamins have an effect on the disease. does the given description correspond to an observational study or an experiment?
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Determine whether the given description corresponds to an observational study or an experiment. in a...
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