Q4) Load the ISLR library and show the head of the Carseats data a) Report the following: dim(Carseats), summary statistics for each variable. (no need for graphS) b) Plot the x= ComPrice against the y=Population using ggplot (use smooth). What did you notice? c) Find condence intervals (Standard and Percentile ones) for the average and for the median of both the Population and ComPrice using the bootstpping packages (R = 1000). Show your SE estimate from each package (1) Plot your sampling distribution (bootstrap sampling distribution) for both the averages and medians