Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[340,360[	350	5	0.068493	0.068493	0.003425
[360,380[	370	10	0.136986	0.205479	0.006849
[380,400[	390	7	0.09589	0.30137	0.004795
[400,420[	410	8	0.109589	0.410959	0.005479
[420,440[	430	12	0.164384	0.575342	0.008219
[440,460[	450	13	0.178082	0.753425	0.008904
[460,480[	470	18	0.246575	1	0.012329