Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[310,320[	315	25	0.260417	0.260417	0.026042
[320,330[	325	12	0.125	0.385417	0.0125
[330,340[	335	1	0.010417	0.395833	0.001042
[340,350[	345	10	0.104167	0.5	0.010417
[350,360[	355	4	0.041667	0.541667	0.004167
[360,370[	365	22	0.229167	0.770833	0.022917
[370,380]	375	22	0.229167	1	0.022917