Edhilvia is studying the relationship between smoking and number of visits to the doctor.After giving a survey to 1,000 people,she finds that the more people smoked,the more times they visited the doctor every year.From these results,Edhilvia can logically conclude that ____.
A) there is a negative correlation between smoking and visiting the doctor
B) there is a positive correlation between smoking and visiting the doctor
C) smoking causes people to go to the doctor
D) her results are invalid since participants were not randomly assigned to groups

Question

Quizplus · Accepted Answer

Edhilvia found that as the number of cigarettes smoked increased, the number of visits to the doctor also increased. This indicates a positive correlation between smoking and visiting the doctor. Option A is incorrect as it suggests a negative correlation. Option C is also incorrect as correlation does not necessarily imply causation. Option D is irrelevant as the question does not concern random assignment of participants to groups.

Edhilvia Is Studying the Relationship Between Smoking and Number of Visits