Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[15.4,15.6[	15.5	1	0.013889	0.013889	0.069444
[15.6,15.8[	15.7	5	0.069444	0.083333	0.347222
[15.8,16[	15.9	7	0.097222	0.180556	0.486111
[16,16.2[	16.1	3	0.041667	0.222222	0.208333
[16.2,16.4[	16.3	9	0.125	0.347222	0.625
[16.4,16.6[	16.5	12	0.166667	0.513889	0.833333
[16.6,16.8[	16.7	4	0.055556	0.569444	0.277778
[16.8,17[	16.9	4	0.055556	0.625	0.277778
[17,17.2[	17.1	4	0.055556	0.680556	0.277778
[17.2,17.4[	17.3	1	0.013889	0.694444	0.069444
[17.4,17.6[	17.5	4	0.055556	0.75	0.277778
[17.6,17.8[	17.7	4	0.055556	0.805556	0.277778
[17.8,18[	17.9	6	0.083333	0.888889	0.416667
[18,18.2]	18.1	8	0.111111	1	0.555556