A company called QT, Inc. sell \"ionized bracelets\" called Q-Ray Bracelets, tha

Question

A company called QT, Inc. sell "ionized bracelets" called Q-Ray Bracelets, that it daims help to ease pain by balancing the body's flow of "electromagnetic energy. " QT, Inc. claims that Q-Ray Bracelets can ease pain caused by cancer, restore Well-being, and provide many other health benefits The Mayo Clinic decided to conduct a statistical study to determine whether the extravagant claims for Q-Ray Bracelets were justified. In the study,305 subjects wore the Q_Ray "ionized" bracelet and 305 wore placebo bracelet for four weeks at the end of which certain measures of pain were evaluated and compared The subjects, upon entry to the study, were randomly assigned to receive either the ionized bracelet or the placebo bracelet. Is this an observational or experimental study? What Is the control group? What is the treatment? What Is the response variable? Given the following frequency rtstri button, for the number of earthquakes worldwide whose magnitude was less than 8.0 in 2004. Population data-all earthquakes in 200-

Explanation / Answer

a.) This is an experimental study.

B.) Subjects receiving Placebo bracelet is the control group

c.) The ionized bracelet is the treatment.

d.) Measure of pain is the response variable

e.) n = 610

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