Doctors Hypothesize That Smoking Cigarettes Inflames the Bronchial Tubes and So

question 18

Multiple Choice

Doctors hypothesize that smoking cigarettes inflames the bronchial tubes and so makes it harder tobreathe. To test this they measured the lung capacity (in liters) and the number of cigarettessmoked in a typical day for a sample of adults. Is the scatterplot below consistent with theresearcher's hypothesis?

• A) No, it contradicts this hypothesis.
• B) There is no evidence in support or contradiction of the hypothesis.
• C) Yes, it is consistent.