Question 7 (with R): Consider the 1wino . csv le on CANVAS. It gives amount of tannins in a wine (56) versus the perceived astringency by tasters(y). Do the following items. a) Construct a scatter plot of :1: versus :9. b) Estimate parameters for a regression model y = 90 + 91$ + 8. c) Check diagnostic plots for any problems. (1) Suppose you are producing a single wine. You measure the tannins at 0.7. You would like to know the perceived astringency. Give an interval that will contain the perceived astringency with probability 95%