Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[160,162[	161	1	0.016393	0.016393	0.008197
[162,164[	163	5	0.081967	0.098361	0.040984
[164,166[	165	20	0.327869	0.42623	0.163934
[166,168[	167	8	0.131148	0.557377	0.065574
[168,170[	169	12	0.196721	0.754098	0.098361
[170,172[	171	7	0.114754	0.868852	0.057377
[172,174]	173	8	0.131148	1	0.065574