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Mathematics, 14.06.2020 13:57 fatboi82
For a science experientment a teacher needed 80 milliliters of vinegar for each pupil. There were 30 pupils in the class. vinegar comes in 1000 milliliters bottles. How many bottles of vinegar were needed?
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Mathematics, 21.06.2019 22:40, raymond5799
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Mathematics, 22.06.2019 02:30, arrichardson787
Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias
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Arts, 01.12.2020 21:50
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Mathematics, 01.12.2020 21:50