STAT 515 Homework 3: Remember to write answers as neatly as possible. I. McClave & Sincich exercises (use R to create graphs for problem 5.72): 4.90, 4.98, 4.120, 5.4, 5.18(a,b), 5.26, 5.38, 5.40, 5.72[use R and provide a normal QQ plot and histogram for EACH variable], 5.84, 5.104 *** It is optional (but good practice) to do problems 5.52 and 5.108. They will not be graded. *** ** See the course web page for R code to read in the data and create graphs ** for problem 5.72.