Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[540,560[	550	4	0.041667	0.041667	0.002083
[560,580[	570	4	0.041667	0.083333	0.002083
[580,600[	590	7	0.072917	0.15625	0.003646
[600,620[	610	6	0.0625	0.21875	0.003125
[620,640[	630	2	0.020833	0.239583	0.001042
[640,660[	650	10	0.104167	0.34375	0.005208
[660,680[	670	28	0.291667	0.635417	0.014583
[680,700[	690	9	0.09375	0.729167	0.004688
[700,720[	710	11	0.114583	0.84375	0.005729
[720,740[	730	7	0.072917	0.916667	0.003646
[740,760[	750	6	0.0625	0.979167	0.003125
[760,780]	770	2	0.020833	1	0.001042