Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[28.4,28.6[	28.5	2	0.027778	0.027778	0.138889
[28.6,28.8[	28.7	3	0.041667	0.069444	0.208333
[28.8,29[	28.9	4	0.055556	0.125	0.277778
[29,29.2[	29.1	3	0.041667	0.166667	0.208333
[29.2,29.4[	29.3	9	0.125	0.291667	0.625
[29.4,29.6[	29.5	7	0.097222	0.388889	0.486111
[29.6,29.8[	29.7	3	0.041667	0.430556	0.208333
[29.8,30[	29.9	3	0.041667	0.472222	0.208333
[30,30.2[	30.1	4	0.055556	0.527778	0.277778
[30.2,30.4[	30.3	7	0.097222	0.625	0.486111
[30.4,30.6[	30.5	4	0.055556	0.680556	0.277778
[30.6,30.8[	30.7	4	0.055556	0.736111	0.277778
[30.8,31[	30.9	4	0.055556	0.791667	0.277778
[31,31.2[	31.1	3	0.041667	0.833333	0.208333
[31.2,31.4[	31.3	2	0.027778	0.861111	0.138889
[31.4,31.6[	31.5	1	0.013889	0.875	0.069444
[31.6,31.8[	31.7	2	0.027778	0.902778	0.138889
[31.8,32[	31.9	1	0.013889	0.916667	0.069444
[32,32.2[	32.1	1	0.013889	0.930556	0.069444
[32.2,32.4[	32.3	2	0.027778	0.958333	0.138889
[32.4,32.6]	32.5	3	0.041667	1	0.208333