Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6.4,6.6[	6.5	1	0.014493	0.014493	0.072464
[6.6,6.8[	6.7	2	0.028986	0.043478	0.144928
[6.8,7[	6.9	1	0.014493	0.057971	0.072464
[7,7.2[	7.1	6	0.086957	0.144928	0.434783
[7.2,7.4[	7.3	4	0.057971	0.202899	0.289855
[7.4,7.6[	7.5	2	0.028986	0.231884	0.144928
[7.6,7.8[	7.7	3	0.043478	0.275362	0.217391
[7.8,8[	7.9	3	0.043478	0.318841	0.217391
[8,8.2[	8.1	10	0.144928	0.463768	0.724638
[8.2,8.4[	8.3	6	0.086957	0.550725	0.434783
[8.4,8.6[	8.5	10	0.144928	0.695652	0.724638
[8.6,8.8]	8.7	21	0.304348	1	1.521739