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181749 Social & Preventive Medicine

A study was conducted to test if use of herbal tea played any role in prevention of common cold. Data was collected on the number of people who developed cold and those who did not develop cold and this data was tabulated in relation to whether they consumed Herbal tea or not.rnrnrnrn Herbal tea rnConsumedrnNot consumedrnrnrn Had cold rn12rn 23rnrnrn Did not have a cold rn 34rn38rnrnrnrn In order to study this above given test, which of the following analytical test can be used?

A'Z' test
BChi square test
CStudent -1 test (paired)
DStudent -1 test (unpaired)
Social & Preventive Medicine
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