Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[20.8,21[	20.9	1	0.011905	0.011905	0.059524
[21,21.2[	21.1	6	0.071429	0.083333	0.357143
[21.2,21.4[	21.3	6	0.071429	0.154762	0.357143
[21.4,21.6[	21.5	2	0.02381	0.178571	0.119048
[21.6,21.8[	21.7	7	0.083333	0.261905	0.416667
[21.8,22[	21.9	6	0.071429	0.333333	0.357143
[22,22.2[	22.1	25	0.297619	0.630952	1.488095
[22.2,22.4[	22.3	24	0.285714	0.916667	1.428571
[22.4,22.6]	22.5	7	0.083333	1	0.416667