Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[74,76[	75	1	0.009259	0.009259	0.00463
[76,78[	77	20	0.185185	0.194444	0.092593
[78,80[	79	11	0.101852	0.296296	0.050926
[80,82[	81	5	0.046296	0.342593	0.023148
[82,84[	83	19	0.175926	0.518519	0.087963
[84,86[	85	50	0.462963	0.981481	0.231481
[86,88]	87	2	0.018519	1	0.009259