Question

In a number of pharmaceutical studies volunteers who take placebos (but are told they have taken a cold remedy) report the following side effects:
Headache (1) ............ 5%
Drowsiness (2) .......... 7%
Stomach upset (3) .......... 4%
No side effect (4) .......... 84%
A random sample of 250 people who were given a placebo (but who thought they had taken an anti-inflammatory) reported whether they had experienced each of the side effects. These responses were recorded using the codes in parentheses. Do these data provide enough evidence to infer that the reported side effects of the placebo for an anti-inflammatory differ from that of a cold remedy?



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  • CreatedFebruary 03, 2015
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