Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[120,140[	130	24	0.333333	0.333333	0.016667
[140,160[	150	35	0.486111	0.819444	0.024306
[160,180[	170	0	0	0.819444	0
[180,200[	190	0	0	0.819444	0
[200,220[	210	0	0	0.819444	0
[220,240[	230	0	0	0.819444	0
[240,260[	250	0	0	0.819444	0
[260,280[	270	12	0.166667	0.986111	0.008333
[280,300[	290	0	0	0.986111	0
[300,320[	310	0	0	0.986111	0
[320,340[	330	0	0	0.986111	0
[340,360]	350	1	0.013889	1	0.000694