Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[67.5,68[	67.75	1	0.013889	0.013889	0.027778
[68,68.5[	68.25	6	0.083333	0.097222	0.166667
[68.5,69[	68.75	7	0.097222	0.194444	0.194444
[69,69.5[	69.25	2	0.027778	0.222222	0.055556
[69.5,70[	69.75	5	0.069444	0.291667	0.138889
[70,70.5[	70.25	7	0.097222	0.388889	0.194444
[70.5,71[	70.75	6	0.083333	0.472222	0.166667
[71,71.5[	71.25	12	0.166667	0.638889	0.333333
[71.5,72[	71.75	11	0.152778	0.791667	0.305556
[72,72.5[	72.25	1	0.013889	0.805556	0.027778
[72.5,73[	72.75	5	0.069444	0.875	0.138889
[73,73.5[	73.25	5	0.069444	0.944444	0.138889
[73.5,74[	73.75	1	0.013889	0.958333	0.027778
[74,74.5]	74.25	3	0.041667	1	0.083333