Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[4,4.5[	4.25	20	0.277778	0.277778	0.555556
[4.5,5[	4.75	18	0.25	0.527778	0.5
[5,5.5[	5.25	24	0.333333	0.861111	0.666667
[5.5,6]	5.75	10	0.138889	1	0.277778