In assessing the extent to which death rates increase as people age,researchers are using correlational research to learn how two ________ are related.
A) random samples
B) case studies
C) statistical indexes
D) variables

Question

Quizplus · Accepted Answer

Correlational research is used to determine the relationship between two variables. In this case, the two variables being studied are age and death rates. Therefore, the correct choice is D) variables. The other choices do not accurately describe the methodology being used.

In Assessing the Extent to Which Death Rates Increase as People