1. The following table represents the marks scored by 105 students in Statistics subject who studying Hotel Management program in a certain college. Marks 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Obtained No. of 7 12 15 17 30 16 8 students a. b. Find the median marks of the students. C. If 85% of the students pass this subject, what is the pass mark? If the college management wants to provide the scholarship to top 25% scorer, find the minimum marks obtained by the topper group. d. Mean and standard deviation of marks. e. Coefficient of variation of marks. 13+3+3+5+11​