Question

Adverse side effects are always a concern when testing and trying new medicines. Placebo-controlled clinical studies were conducted in patients 12 years of age and older who were receiving “once-a-day” doses of Allegra, a seasonal allergy dru g. The following results were published in the April 2005 edition of Reader’s Digest.
Determine, at the 0.05 level of significance, whether there is a difference in the proportion of patients reporting headaches between the two groups.


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  • CreatedAugust 28, 2015
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