If we plotted cigarettes smoked per year against the incidence of lung cancer,we would observe a
A) negative correlation.
B) positive correlation.
C) zero correlation.
D) an uncertain result.
E) time series.

Question

Quizplus · Accepted Answer

There is a positive correlation between cigarettes smoked per year and the incidence of lung cancer. This means that as the number of cigarettes smoked per year increases, the incidence of lung cancer also increases. This has been well documented through a large body of research.

If We Plotted Cigarettes Smoked Per Year Against the Incidence