Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[16,17[	16.5	2	0.02381	0.02381	0.02381
[17,18[	17.5	5	0.059524	0.083333	0.059524
[18,19[	18.5	18	0.214286	0.297619	0.214286
[19,20[	19.5	11	0.130952	0.428571	0.130952
[20,21[	20.5	5	0.059524	0.488095	0.059524
[21,22[	21.5	7	0.083333	0.571429	0.083333
[22,23[	22.5	12	0.142857	0.714286	0.142857
[23,24[	23.5	6	0.071429	0.785714	0.071429
[24,25[	24.5	2	0.02381	0.809524	0.02381
[25,26[	25.5	2	0.02381	0.833333	0.02381
[26,27]	26.5	14	0.166667	1	0.166667