Mathematics, 24.10.2019 02:30 Ajaxr2432
At a local health club, a researcher samples 75 people whose primary exercise is cardiovascular and 75 people whose primary exercise is strength training. the researcher’s objective is to assess the affect of type of exercise on cholesterol. each subject reported to a clinic to have his or her cholesterol measured. the subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of the subject’s type of exercise. this approach is
a)
an observational study.
b) an experiment, but not a double-blind experiment.
c) a double-blind experiment.
d)
fundamentally flawed because only a well-designed experiment with randomized assignment to treatments can be used to determine a cause-and-effect relationship.
Answers: 1
Mathematics, 21.06.2019 17:00, oscarmendoza2107
Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap
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Mathematics, 22.06.2019 00:30, aleilyg2005
Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?
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