Doctors Believe That Smoking Cigarettes Inflames the Bronchial Tubes and So

question 21

Multiple Choice

Doctors believe that smoking cigarettes inflames the bronchial tubes and so makes it harder to Doctors believe 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) Yes, it is consistent.
• B) There is no evidence in support or contradiction of the hypothesis.
• C) No, it contradicts this hypothesis.