Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[80,100[	90	2	0.016667	0.016667	0.000833
[100,120[	110	5	0.041667	0.058333	0.002083
[120,140[	130	8	0.066667	0.125	0.003333
[140,160[	150	4	0.033333	0.158333	0.001667
[160,180[	170	12	0.1	0.258333	0.005
[180,200[	190	8	0.066667	0.325	0.003333
[200,220[	210	3	0.025	0.35	0.00125
[220,240[	230	9	0.075	0.425	0.00375
[240,260[	250	11	0.091667	0.516667	0.004583
[260,280[	270	2	0.016667	0.533333	0.000833
[280,300[	290	11	0.091667	0.625	0.004583
[300,320[	310	9	0.075	0.7	0.00375
[320,340[	330	12	0.1	0.8	0.005
[340,360[	350	18	0.15	0.95	0.0075
[360,380]	370	6	0.05	1	0.0025