Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[11.8,12[	11.9	4	0.055556	0.055556	0.277778
[12,12.2[	12.1	1	0.013889	0.069444	0.069444
[12.2,12.4[	12.3	0	0	0.069444	0
[12.4,12.6[	12.5	0	0	0.069444	0
[12.6,12.8[	12.7	1	0.013889	0.083333	0.069444
[12.8,13[	12.9	0	0	0.083333	0
[13,13.2[	13.1	2	0.027778	0.111111	0.138889
[13.2,13.4[	13.3	4	0.055556	0.166667	0.277778
[13.4,13.6[	13.5	3	0.041667	0.208333	0.208333
[13.6,13.8[	13.7	1	0.013889	0.222222	0.069444
[13.8,14[	13.9	0	0	0.222222	0
[14,14.2[	14.1	1	0.013889	0.236111	0.069444
[14.2,14.4[	14.3	0	0	0.236111	0
[14.4,14.6[	14.5	0	0	0.236111	0
[14.6,14.8[	14.7	0	0	0.236111	0
[14.8,15[	14.9	1	0.013889	0.25	0.069444
[15,15.2[	15.1	5	0.069444	0.319444	0.347222
[15.2,15.4[	15.3	6	0.083333	0.402778	0.416667
[15.4,15.6[	15.5	19	0.263889	0.666667	1.319444
[15.6,15.8[	15.7	6	0.083333	0.75	0.416667
[15.8,16[	15.9	3	0.041667	0.791667	0.208333
[16,16.2[	16.1	4	0.055556	0.847222	0.277778
[16.2,16.4[	16.3	1	0.013889	0.861111	0.069444
[16.4,16.6[	16.5	1	0.013889	0.875	0.069444
[16.6,16.8[	16.7	1	0.013889	0.888889	0.069444
[16.8,17[	16.9	1	0.013889	0.902778	0.069444
[17,17.2[	17.1	0	0	0.902778	0
[17.2,17.4[	17.3	0	0	0.902778	0
[17.4,17.6[	17.5	0	0	0.902778	0
[17.6,17.8[	17.7	1	0.013889	0.916667	0.069444
[17.8,18[	17.9	5	0.069444	0.986111	0.347222
[18,18.2]	18.1	1	0.013889	1	0.069444