part 1. (6 points) multivariate visualization: it is reasonable to consider that more than just midterm score may influence final exam score. investigate the individual relationships between final exam score and the above explanatory variables. use the r script multivariate exam analysis.r to help you get started with the code. a. construct a scatterplot matrix including final and each of the explanatory variables. i. (1 point) paste the plot. ii. (1 point) do any of the variables have a visual relationship with final? b. the scatterplot matrix is not all that helpful for the categorical variables term and forma
