The residual plot for a data set is shown. based on the residual plot, which statement best explains whether the regression line is a good model for the data set and why? a.)the regression line is not a good model because there is no pattern in the residuals. b.)the regression line is not a good model because only one point in the residual plot is on the x-axis. c.)the regression line is a good model because the points in the residual plot are close to the x-axis and randomly spread around the x-axis. d.)the regression line is a good model because the residuals approach 0 as x increases.