what is the difference between x and y variables how does x variable depend on y do x and y variables need to be normally distributed what is meant of normal residuals in a regression analysis of a warehouse what is the regression of variables and y variables how to predict productivity what is a normal residual in regression x value in production how to find the normality of variables can you predict x variables in regression is x or y variable normally distributed do the x and y variables have to be normally distributed can you predict productivity of an inbound process in terms of is y variable normally distributed? is y a normal residual does the y variable have to be normally distributed does a warehouse have to be normally divided does the y variable have to be normally distributed? how do you find the variability of pcs is y variable normally distributed?