Number of babies born in 1999 by age group
Age	Reported Births	Rel Freq	Mean	stdev
15	243	0.08	1.27	10.6
20	749	0.26	5.24	9.97
25	744	0.26	6.5	0.36
30	575	0.2	6.03	2.94
35	354	0.12	4.33	9.64
40	161	0.06	2.25	10.76
45	35	0.01	0.55	4.34
Sum:	2861	1	26.17	48.62
				6.97
	c	0.95
	tc	1.96
	E	0.26
	low	25.92
	high	26.43