Fiona, a quantitative psychologist, is interested in using inferential statistics because they provide ____.
a. a measure of how likely it is that a result came about by chance
b. a correlation between the dependent variable and the independent variable
c. information about the variability of the data
d. a summarization of a pool of data
Question 2
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