234 
Duration of Life and Number of Offspring 
contained the complete data, and also the average number of offspring to the 
married of each sex in each quinquennial age-group at death. 
These averages will be found plotted in Figs. 1 and 2. On reference to 
Fig. 1, it will be seen that the male statistics divide into two well-defined series, 
TABLE II. 
Ages of Married Women at Death and Number of Offspring {Living 
and Dead). Experience of New South Wales, 1898 to 1902. 
Ages at Death 
Deaths of 
Married Women 
Total 
Offspring 
Average 
Offspring 
Under 
SO 
69 
54 
•78 
^0 and 
un 
der S5 
480 
598 
1 -25 
35 
30 
9.37 
1970 
2-10 
30 
ii 
35 
1131 
3711 
3-28 
35 
51 
40 
Jf5 
1311 
6004 
4-58 
JtO 
1101 
6011 
5-46 
h5 
50 
1040 
6048 
5-82 
50 
55 
958 
5669 
5-92 
55 
60 
1116 
6955 
6-23 
60 
65 
1343 
8657 
6-45 
65 
)» 
70 
1485 
9741 
6-56 
70 
5J 
75 
1410 
8628 
6-12 
75 
J5 
80 
1269 
7921 
6-24 
80 
15 
85 
1073 
6539 
6-10 
85 
11 
90 
544 
.3201 
5-88 
90 
)» 
95 
204 
1225 
6-00 
95 
IJ 
100 
63 
355 
5-63 
100 and 
over 
14 
75 
5-36 
Total 
15,548 
83,362 
5-36 
Fig. 1. Length of Life of Married Men and Size of Family. Experience of New South Wales, 
1901 and 1902. 
20 25 30 35 40 45 50 55 60 65 70 75 
Ages of Married Men at Death. 
Equation to Regression Straight Line a«', ?/=- 2-6570 + •15391.1; ) Origin at Birth. 
„ ,, ,, hh',y= 5-39489 + -013284:cS Unit of .t; = 1 year. 
„ Cubical Parabola cc', y = 6-13673 + •34808.r - •04913.C2 _ .00078a;3 
(Origin at 62-6 years. 
(Unit oi x = 5 years. 
