You are given the following side-by-side boxplots for 3 different data sets: Suppose that bivariate (x, y) data are loaded into R and given the variable names x and y respectively. Figure 1 (below) is created to describe the data: Figure 1 Scatterplot of Data L O -25 -20 -15 -10 5 0 5 O O O Dataset 1 Dataset 2 Dataset 3 Which of the following statements is / are TRUE? -20 -15 -10 -5 O X (I) The medians of data sets 1 and 2 are roughly equal The value of n has been defined in R and it represents the sample size, or length (x), or length(y), in (II) Data set 3 is skewed to the left / negatively skewed, while data set 2 is roughly this case. Which R command (s) could be used to find the variance of y? symmetric A) sum(y*2)/(n-1) - n*mean(y)^2/(n-1) B) var(sort(y)) A) Both are true C) sd (y)^2 B) (1) only DJ A), B), and C) could all be used. C) (II) only D) Neither are true