Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[29.4,29.6[	29.5	1	0.013889	0.013889	0.069444
[29.6,29.8[	29.7	2	0.027778	0.041667	0.138889
[29.8,30[	29.9	14	0.194444	0.236111	0.972222
[30,30.2[	30.1	6	0.083333	0.319444	0.416667
[30.2,30.4[	30.3	4	0.055556	0.375	0.277778
[30.4,30.6[	30.5	5	0.069444	0.444444	0.347222
[30.6,30.8[	30.7	21	0.291667	0.736111	1.458333
[30.8,31[	30.9	10	0.138889	0.875	0.694444
[31,31.2[	31.1	6	0.083333	0.958333	0.416667
[31.2,31.4[	31.3	2	0.027778	0.986111	0.138889
[31.4,31.6]	31.5	1	0.013889	1	0.069444