Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[310,320[	315	79	0.124803	0.124803	0.01248
[320,330[	325	117	0.184834	0.309637	0.018483
[330,340[	335	84	0.132701	0.442338	0.01327
[340,350[	345	78	0.123223	0.565561	0.012322
[350,360[	355	87	0.137441	0.703002	0.013744
[360,370[	365	66	0.104265	0.807267	0.010427
[370,380[	375	57	0.090047	0.897314	0.009005
[380,390[	385	59	0.093207	0.990521	0.009321
[390,400]	395	6	0.009479	1	0.000948