Question

Refer to Case Study 21.1, in which women were randomly assigned to receive either a placebo or calcium and severity of premenstrual syndrome (PMS) symptoms was measured.
a. What are the null and alternative hypotheses tested in this experiment?
b. The researchers concluded that calcium helped reduce the severity of PMS symptoms. Which type of error could they have made?
c. What would be the conse­quences of making a type 1 error in this experiment? What would be the consequences of making a type 2 error?


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  • CreatedOctober 22, 2015
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