Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[18.5,19[	18.75	1	0.015873	0.015873	0.031746
[19,19.5[	19.25	4	0.063492	0.079365	0.126984
[19.5,20[	19.75	8	0.126984	0.206349	0.253968
[20,20.5[	20.25	6	0.095238	0.301587	0.190476
[20.5,21[	20.75	3	0.047619	0.349206	0.095238
[21,21.5[	21.25	5	0.079365	0.428571	0.15873
[21.5,22[	21.75	7	0.111111	0.539683	0.222222
[22,22.5[	22.25	4	0.063492	0.603175	0.126984
[22.5,23[	22.75	4	0.063492	0.666667	0.126984
[23,23.5[	23.25	3	0.047619	0.714286	0.095238
[23.5,24[	23.75	1	0.015873	0.730159	0.031746
[24,24.5[	24.25	2	0.031746	0.761905	0.063492
[24.5,25[	24.75	0	0	0.761905	0
[25,25.5[	25.25	0	0	0.761905	0
[25.5,26[	25.75	1	0.015873	0.777778	0.031746
[26,26.5[	26.25	2	0.031746	0.809524	0.063492
[26.5,27[	26.75	2	0.031746	0.84127	0.063492
[27,27.5[	27.25	4	0.063492	0.904762	0.126984
[27.5,28[	27.75	4	0.063492	0.968254	0.126984
[28,28.5]	28.25	2	0.031746	1	0.063492