Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[7.5,8[	7.75	9	0.125	0.125	0.25
[8,8.5[	8.25	24	0.333333	0.458333	0.666667
[8.5,9[	8.75	30	0.416667	0.875	0.833333
[9,9.5]	9.25	9	0.125	1	0.25