A researcher wishes to test the effectiveness of a flu

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Reference no: EM13625148

A researcher wishes to test the effectiveness of a flu vaccination. 150 people are vaccinated, 180 people are vaccinated with a placebo, and 100 people are not vaccinated. The number in each group who later caught the flu was recorded. The results are shown below.

	Vaccinated	Placebo	Control
Caught the flu	8	19	21
Did not catch the flu	142	161	79

Find and interpret the relative risk of catching the flu, comparing those who were vaccinated to those in the control group.

Reference no: EM13625148

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