294 
Dr. Young’s formula for expressing 
Comparative Decrements from various Tables. 
Age, 
North- 
Carlisle. 
Equitable 
Mean of Carlisle 
London 
General 
Living. 
ampton. 
Office Red. 
and Eq. Office. 
Bills. 
Mean. 
IOO 
. . 
20 
4 
8 
6 
2 5 
IOI 
. . 
20 
3 
3 
5 
*9 
102 
20 
3 
3 
5 
*4 
103 
20 
2 
2 
4 
9 
IO4 
IO 
2 
[*] 
2 
5 
IO5 
, , 
O 
1 
1 
1 
3 
I06 
. . 
. . 
0 
•5 
(•25 
(2.00 
IO7 
• • 
.... 
■5 
•25 
'*•75 
108 
. • 
.... 
•5 
.25 
1.50 
IO9 
.... 
•5 
• z 5 
1.25 
IIO 
• • 
• • 0 • 
•5 
.25 
1. 00 
III 
. . 
.... 

.25 
•75 
112 
• • 
.... 
• • • 
• 2 5 > 
.50 
113 
. - 
• • • • 
. . . 
. 25 , 
• 2 5 , 
1*4 
• «* 
• * * 
.O 
.oo y 
Decrements of Mortality computed from the Formula. 
Age 
(tf-l) 
368 
+ 10 X 
—.11 (156 + 205; 
_3 
— xx) 2 
1 1 
Decrement. 
' 2.85 + 2.05 xx + 2 gj 
O 
378 
-255 
+ 20408 
20531 
I 
388 
241 
9009 
9106 
2 
398 
3*3 
4695 
4780 
3 
408 
359 
2805 
2854 
4 
418 
386 
1848 
1880 
5 
428 
409 
1322 
* 34 * 
6 
438 
427 
968 
979 
7 
448 
440 
746 
75 2 
8 
458 
447 
592 
603 
9 
468 
45 * 
477 
494 
10 
478 
447 
39 2 
4 2 3 
1 1 
488 
440 
3 2 9 
377 
12 
498 
427 
278 
349 
*3 
508 
409 
238 
337 
*4 
5*8 
386 
205 
337 
