Which of the Following Is Primarily a Question of Statistics

Multiple Choice

Which of the following is primarily a question of statistics?

A) Are the conclusions justified by the evidence in the study?
B) Are the relationships to be investigated logically implied by the hypothesis?
C) Could the difference between groups have been a function of chance?
D) Is the population involved in the study precisely described?
E) Is evidence that does not agree with the hypothesis omitted?