Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[580,600[	590	4	0.035088	0.035088	0.001754
[600,620[	610	7	0.061404	0.096491	0.00307
[620,640[	630	13	0.114035	0.210526	0.005702
[640,660[	650	28	0.245614	0.45614	0.012281
[660,680[	670	8	0.070175	0.526316	0.003509
[680,700[	690	20	0.175439	0.701754	0.008772
[700,720[	710	14	0.122807	0.824561	0.00614
[720,740[	730	9	0.078947	0.903509	0.003947
[740,760[	750	7	0.061404	0.964912	0.00307
[760,780]	770	4	0.035088	1	0.001754