the residuals for sata set X and data set Y were calculated and plotted on separate residual plots. if the residuals for data set X do not form a pattern, and the residuals for data set Y do not form a pattern, what can be concluded?
A residual plot which shows the sign of the residuals varying systematically with the values of some explanatory variable indicates the presence of a nonlinear relationship between that explanatory variable and the dependent variable.
