Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6.5,7[	6.75	2	0.027778	0.027778	0.055556
[7,7.5[	7.25	17	0.236111	0.263889	0.472222
[7.5,8[	7.75	14	0.194444	0.458333	0.388889
[8,8.5[	8.25	10	0.138889	0.597222	0.277778
[8.5,9[	8.75	27	0.375	0.972222	0.75
[9,9.5]	9.25	2	0.027778	1	0.055556