What Is the Difference Between Correlation and Regression

Multiple Choice

What is the difference between correlation and regression?

A) Regression requires standardized units,while correlation does not.
B) Correlation is the same thing as regression except that the scores are in standardized units.
C) In regression,scores on the Y axis regress toward the mean,while in correlation they do not.
D) In correlation,scores on the Y axis regress toward the mean,while in regression they do not.