5. Find the requested percentiles and percentile ranks for the following distribution of quiz scores for a class of N= 40 students. (Note: You can treat these data as discrete.) X f of c% 43 2 40 100.0 42 4 38 95.0 41 6 34 85.0 40 13 28 70.0 39 6 15 37.5 38 4 9 22.5 37 3 5 12.5 36 2 2 5.0 a. What is the percentile rank for X = 41? (4 pts) b. Which value corresponds to the 25th percentile? Show your computations. (8 pts)