Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[40,60[	50	4	0.047619	0.047619	0.002381
[60,80[	70	3	0.035714	0.083333	0.001786
[80,100[	90	9	0.107143	0.190476	0.005357
[100,120[	110	9	0.107143	0.297619	0.005357
[120,140[	130	4	0.047619	0.345238	0.002381
[140,160[	150	10	0.119048	0.464286	0.005952
[160,180[	170	2	0.02381	0.488095	0.00119
[180,200[	190	6	0.071429	0.559524	0.003571
[200,220[	210	7	0.083333	0.642857	0.004167
[220,240[	230	27	0.321429	0.964286	0.016071
[240,260]	250	3	0.035714	1	0.001786