Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[70,80[	75	5	0.046296	0.046296	0.00463
[80,90[	85	10	0.092593	0.138889	0.009259
[90,100[	95	10	0.092593	0.231481	0.009259
[100,110[	105	10	0.092593	0.324074	0.009259
[110,120[	115	10	0.092593	0.416667	0.009259
[120,130[	125	10	0.092593	0.509259	0.009259
[130,140[	135	10	0.092593	0.601852	0.009259
[140,150[	145	10	0.092593	0.694444	0.009259
[150,160[	155	10	0.092593	0.787037	0.009259
[160,170[	165	10	0.092593	0.87963	0.009259
[170,180[	175	10	0.092593	0.972222	0.009259
[180,190]	185	3	0.027778	1	0.002778