Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[100,120[	110	4	0.047619	0.047619	0.002381
[120,140[	130	8	0.095238	0.142857	0.004762
[140,160[	150	11	0.130952	0.27381	0.006548
[160,180[	170	9	0.107143	0.380952	0.005357
[180,200[	190	8	0.095238	0.47619	0.004762
[200,220[	210	12	0.142857	0.619048	0.007143
[220,240[	230	27	0.321429	0.940476	0.016071
[240,260]	250	5	0.059524	1	0.002976