Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6,6.5[	6.25	2	0.027778	0.027778	0.055556
[6.5,7[	6.75	9	0.125	0.152778	0.25
[7,7.5[	7.25	14	0.194444	0.347222	0.388889
[7.5,8[	7.75	15	0.208333	0.555556	0.416667
[8,8.5[	8.25	18	0.25	0.805556	0.5
[8.5,9]	8.75	14	0.194444	1	0.388889