Dr. Marion owns a Sample of 28 recordings of his favorite composer Gustav POINTS Mahler's 9th and final Symphony, for which recording times in minutes are: 80 82 78 80 89 87 79 90 84 88 81 81 81 86 85 77 1 77 82 85 81 91 82 86 86 70 81 a. Make a Stem-&-Leaf Plot for these data. (10) b. For these data, find the: i. Mean ii. Median iii. Mode iv. Range (20) v. InterQuartile Range vi. Standard Deviation vii. 60th Percentile (15) c. Are any of these recordings an Outlier relative to the others? Explain! (10) d. Use your work in b. and c. to make a BoxPlot for these data. (10) e. Use parts a. and d. to describe the distribution of these recording times. (10) f. Conductor Bruno Walter was Mahler's student, protege, and friend. Dr. Marion's recordings of Mahler's 9th Symphony include two Walter renditions: a 70-minute Wiener Philharmoniker early recording, and an 81-minute Columbia Symphony Orchestra version. Find Two ways to compare Walter's recordings (20) to each other, and to the rest of Dr. Marion's collection. (95)