9. Find the student's final average. Use the weight mean. [5 points] how Grade Type Weight Exams Grade 35% Term Paper 95 15% Final Exam 78 50% 98 95. (35 ) = 3 325 78 ( 15 ) 1170 98 ( 50) 2 4 900 - 8 b. If this stem and leaf plot was converted into a frequency distribution with 6 classes, what would be the class width? Make sure to show your work. [5 points] 2 6 c. What is the midrange for this data set? [ 5 points] 61.5 d. What is the percentile rank for a score of 52? [5 points] 52.16 = 8. 32 100 P52 is in gth position