Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[6.8,6.9[	6.85	14	0.194444	0.194444	1.944444
[6.9,7[	6.95	7	0.097222	0.291667	0.972222
[7,7.1[	7.05	6	0.083333	0.375	0.833333
[7.1,7.2[	7.15	7	0.097222	0.472222	0.972222
[7.2,7.3[	7.25	7	0.097222	0.569444	0.972222
[7.3,7.4[	7.35	2	0.027778	0.597222	0.277778
[7.4,7.5[	7.45	0	0	0.597222	0
[7.5,7.6[	7.55	1	0.013889	0.611111	0.138889
[7.6,7.7[	7.65	0	0	0.611111	0
[7.7,7.8[	7.75	1	0.013889	0.625	0.138889
[7.8,7.9[	7.85	0	0	0.625	0
[7.9,8[	7.95	6	0.083333	0.708333	0.833333
[8,8.1[	8.05	11	0.152778	0.861111	1.527778
[8.1,8.2]	8.15	10	0.138889	1	1.388889