THEORY OF STATISTICS. 
TABLE X.—Showing the Frequency-distribution of Fecundity, i.e. the Ratic 
of the Number of Yearling Foals produced to the Number of Coverings, 
for Brood-mares (Race-horses) Covered Eight Times ai Least. (Pearson, 
Lee, and Moore, Phil. Trans., A, vol. cxcii. (1899), p. 303.) See Fig. 12. 
Number of Number of 
Mares with Mares with 
Fecundity. Fecundity Fecundity. Fecundity 
between the between the 
Given Limits, Given Limits. 
1/30- 3/30 2 17/30-19/30 315 
3/30- 5/30 75 19/30-21/30 337 
5/30- 7/30 11-5 21/30-23/30 2935 
7/30- 9/30 215 23/30-25/30 204 
9/30-11/30 55 25/30-27/30 127 
11/30-13/30 104°5 27/30-29/30 49 
18/30-15/30 182 29/30-1 19 
15/30-17/30 2715 - 
Total 20000 
TABLE XI. — Showing the Frequency-distribution of Barometer Heights for 
Daily Observations during the Thirteen Years 1878-1890 at Southampton. 
(Karl Pearson and A. Lee, Phil. Trans., A, vol. cxe. (1897), p. 428, g.v. 
for numerous other distributions.) See Fig. 13. 
Number of Days Number of Days 
Height of on which Height Height of on which Height 
Barometer was observed Barometer was observed 
in Inches. between the in Inches, between the 
Given Limits. Given Limits. 
28:45-28°55 1 29-85- ‘95 5485 
55-65 i ‘95-3005 6025 
‘65— “75 2 ¢ 30°05- “15 6195 
‘75- 85 s 2] 58-25 500 
85— 95 8°5 | 25—- 35 382 
*95-29°05 13:5 35— 4b 2375 
29°05- °15 21°5 *45—- 5b 1895 
‘15- 25 37 55-65 88:5 
25- +35 79 ‘65-75 435 
*35— 45 108 75-85 i 
45- 55 181°5 ‘85—- ‘95 ! 
*55—- 65 2545 3095-3105 : 
‘65— 75 3485 = 
s7 5-085 463°5 Total ‘3 
96 
474;