Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,60[	55	2	0.020408	0.020408	0.002041
[60,70[	65	7	0.071429	0.091837	0.007143
[70,80[	75	21	0.214286	0.306122	0.021429
[80,90[	85	26	0.265306	0.571429	0.026531
[90,100[	95	14	0.142857	0.714286	0.014286
[100,110[	105	18	0.183673	0.897959	0.018367
[110,120[	115	7	0.071429	0.969388	0.007143
[120,130[	125	2	0.020408	0.989796	0.002041
[130,140]	135	1	0.010204	1	0.00102