Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[55,60[	57.5	2	0.033333	0.033333	0.006667
[60,65[	62.5	3	0.05	0.083333	0.01
[65,70[	67.5	4	0.066667	0.15	0.013333
[70,75[	72.5	6	0.1	0.25	0.02
[75,80[	77.5	7	0.116667	0.366667	0.023333
[80,85[	82.5	16	0.266667	0.633333	0.053333
[85,90[	87.5	11	0.183333	0.816667	0.036667
[90,95[	92.5	5	0.083333	0.9	0.016667
[95,100]	97.5	6	0.1	1	0.02