Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[110,115[	112.5	2	0.027778	0.027778	0.005556
[115,120[	117.5	18	0.25	0.277778	0.05
[120,125[	122.5	6	0.083333	0.361111	0.016667
[125,130[	127.5	6	0.083333	0.444444	0.016667
[130,135[	132.5	6	0.083333	0.527778	0.016667
[135,140[	137.5	6	0.083333	0.611111	0.016667
[140,145[	142.5	5	0.069444	0.680556	0.013889
[145,150[	147.5	5	0.069444	0.75	0.013889
[150,155[	152.5	5	0.069444	0.819444	0.013889
[155,160[	157.5	5	0.069444	0.888889	0.013889
[160,165[	162.5	2	0.027778	0.916667	0.005556
[165,170]	167.5	6	0.083333	1	0.016667