Suppose a Researcher Examined a Relationship Between Taking Aspirin Every

question 4

Multiple Choice

Suppose a researcher examined a relationship between taking aspirin every day (yes/no) and the incidence of a heart attack (yes/no) .The sample data showed that those taking aspirin had a lower chance of incidence of heart attack.A chi-square test on the data collected resulted in a p-value less than 0.0001.The data were collected in a well-designed randomized experiment.Which of the following conclusions is appropriate?

• A)The probability that there is a relationship between the two variables is more than 99.99%.
• B)For this population, taking aspirin reduces the risk of heart attack.
• C)Heart attacks happened much more often for the non-aspirin takers than the aspirin takers.
• D)All of the above conclusions are appropriate.

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