Edhilvia Is Studying the Relationship Between Smoking and Number of Visits

question 37

Multiple Choice

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