Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[1840,1850[	1845	13	0.26	0.26	0.026
[1850,1860[	1855	10	0.2	0.46	0.02
[1860,1870[	1865	4	0.08	0.54	0.008
[1870,1880[	1875	7	0.14	0.68	0.014
[1880,1890[	1885	4	0.08	0.76	0.008
[1890,1900[	1895	1	0.02	0.78	0.002
[1900,1910[	1905	7	0.14	0.92	0.014
[1910,1920]	1915	4	0.08	1	0.008