Assistance determining the X and Y variables. The questions states "Suppose you are interested in understanding how an employees demographic characteristics, beginning salary, and time at the bank and in the work force are related to current salary. Start by producing scatterplots of salbeg, sex, time, age, edlevel, and work with salnow. Add a fit line to each plot. Check on the variable labels for time and work so you understand what these variables are measuring. Is sanlnow the X or Y variable?