Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[62,64[	63	21	0.35	0.35	0.175
[64,66[	65	13	0.216667	0.566667	0.108333
[66,68[	67	14	0.233333	0.8	0.116667
[68,70]	69	12	0.2	1	0.1