Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[17.5,18[	17.75	1	0.007937	0.007937	0.015873
[18,18.5[	18.25	1	0.007937	0.015873	0.015873
[18.5,19[	18.75	5	0.039683	0.055556	0.079365
[19,19.5[	19.25	14	0.111111	0.166667	0.222222
[19.5,20[	19.75	9	0.071429	0.238095	0.142857
[20,20.5[	20.25	9	0.071429	0.309524	0.142857
[20.5,21[	20.75	8	0.063492	0.373016	0.126984
[21,21.5[	21.25	8	0.063492	0.436508	0.126984
[21.5,22[	21.75	11	0.087302	0.52381	0.174603
[22,22.5[	22.25	4	0.031746	0.555556	0.063492
[22.5,23[	22.75	4	0.031746	0.587302	0.063492
[23,23.5[	23.25	4	0.031746	0.619048	0.063492
[23.5,24[	23.75	3	0.02381	0.642857	0.047619
[24,24.5[	24.25	1	0.007937	0.650794	0.015873
[24.5,25[	24.75	0	0	0.650794	0
[25,25.5[	25.25	0	0	0.650794	0
[25.5,26[	25.75	2	0.015873	0.666667	0.031746
[26,26.5[	26.25	3	0.02381	0.690476	0.047619
[26.5,27[	26.75	3	0.02381	0.714286	0.047619
[27,27.5[	27.25	5	0.039683	0.753968	0.079365
[27.5,28[	27.75	1	0.007937	0.761905	0.015873
[28,28.5[	28.25	5	0.039683	0.801587	0.079365
[28.5,29[	28.75	2	0.015873	0.81746	0.031746
[29,29.5[	29.25	3	0.02381	0.84127	0.047619
[29.5,30[	29.75	0	0	0.84127	0
[30,30.5[	30.25	1	0.007937	0.849206	0.015873
[30.5,31[	30.75	4	0.031746	0.880952	0.063492
[31,31.5[	31.25	6	0.047619	0.928571	0.095238
[31.5,32[	31.75	4	0.031746	0.960317	0.063492
[32,32.5[	32.25	3	0.02381	0.984127	0.047619
[32.5,33[	32.75	0	0	0.984127	0
[33,33.5]	33.25	2	0.015873	1	0.031746