Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[50,100[	75	72	0.666667	0.666667	0.013333
[100,150[	125	18	0.166667	0.833333	0.003333
[150,200[	175	11	0.101852	0.935185	0.002037
[200,250]	225	7	0.064815	1	0.001296