What Is a Correlation

Multiple Choice

What is a correlation?

A) when changing one variable affects a change in another variable
B) when two things occur together,but one does not necessarily cause the other to happen
C) a study where a variable is manipulated in one group to compare the response to another group
D) research that gathers data in a real-world setting without manipulating any variables
E) the mathematical evaluation of experimental data to determine likely differences due to an observed variable