Which of the following research questions could be investigated with a statistical study?
A) Do marathon runners tend to have a higher rate of knee injuries than non-marathon runners?
B) What proportion of voters in my district plan to vote for a proposed sales tax?
C) Is a person's daily caloric intake associated with their cholesterol level?
D) All of the above

Question

Quizplus · Accepted Answer

All the questions can be investigated using statistical studies as they involve comparing groups, measuring proportions, or examining associations between variables.

Which of the Following Research Questions Could Be Investigated with a Statistical