The following data represents the marks on an exam for 84 students. Fill in the missing values

Interval	f	Cumf	rel f	Cum%	What is the interval width _____
45-49	3	3	_____	3.57
50-54	5	8	0.06	_____
55-59	8	16	0.10	19.05
60-64	13	29	0.15	34.52
65-69	_____	49	0.24	58.33
70-74	10	59	0.12	70.24
75-79	8	67	0.10	79.76
80-84	6	73	0.07	86.90
85-89	5	78	0.06	92.86
90-94	4	82	0.05	97.62
95-99	2	_____	0.02	100

If your mark was 63, what percentage of students scores above you?

You will win an award if your mark is in the top 10%? What mark do you need to get an award?