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Table Data and Chi-Square. In a study of adverse effects of the drug VIAGRA, 1463 male subjects participated in an experiment.One group of 735 received
Table Data and Chi-Square.In a study of adverse effects of the drug VIAGRA, 1463 male subjects participated in an experiment.One group of 735 received the drug VIAGRA and a second group of 728 received a placebo.The subjects were then asked about the presence of a headache.The data for the study are given below.
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