1. Revisiting the faithful data. a. Using the faithful data frame from homework 3, create a scatterplot of eruption duration vs time until next eruption, with time until next eruption on the horizontal axis. Add appropriate titles and axes labels. Use the plotting character of your choice. Ans: b. Add a loess line to your plot using the function panel. smooth. Ans: c. Would you describe the relationship between eruption duration and time until next eruption as linear