No. 
INDEX OF TABLES. 
PAGE 
1. The Ascapbalg at of 2000 measurements of the same quantity 
en the deviation of the individual observations from the 
rue — of the measured quantity is due to purely accidental 
2 
2. nies ~ United States recruits 
2 
3. Observed distribution of the heights of 2192 St. Lows ‘setiosl 
2 
Bir]8, AVE Bova. cess cove ccvwwevice vewecvicvecs eve sewer tes vine 
ar pers of the seteg height of St. Louis shoo} girls, 
ee ee ee 
Pee erent ewe eetenaee 
: hie aiculesion of the probable deviation (d) front the : average 
2 
height (118.36 cm.) of 2193 girls, aged 8.--..+-+seeeseeeee ess 
6. Stieda’s table for calculating the number of observations at any 
sree — the mean or average within the limits: M + 5d 
2192 girls, aged B..ccccscescccssarecescensacsevccscetessves 
8. The percentile distribution - hee heights of girls, aged 9...... 
9. The probable Of the AVeTage.....e cece csccse rece ccencees 
10. The probable Seviatins (d) ‘ei the average.... esse sees eee . 
11. Median minus average Values..... 20. .+seeeeee rece ecere reese 296, 297 
300 
12. Sums of median minus average Values..-+.++..+++e sees cess cree 
13. A comparison of weights of the daughters of manual tradesmen 
Naess the weights of the daughters of professional men and 
nts 
14, The perentile ppmintceesn by school page si the daughters of 
rchan d professional men (i. e. favored classes) com- 
pated sien tude of the daughters of manual tradesmen (hand- 
OTECIS) 6.06 cc cter deselect eect gusheles pees leeusumeemees tees 
15. The tien of girls whose parents were born in Germany com- 
pared with the weights of girls whose parents were born in 
United States 0... .ccccctecsvecccssvcenssecnscuctecevene 
t 
16. The habe ee of boys whose parents were born in Germany com- 
red with the tlie of boys whose eee: were born in 
he United State 
17. The weight ‘osdneasits grades) weet e rete eenes 
18. The height standing (percentile grades).-----++++++++++eseeees 
oe The height sitting ae anes - $506 cee Seuw ev eces tee bees 
0. The span of arms (percentile grades)...-... 
ny The girth of chest at fall ideals ‘usa grades)........ 
22. The girth of chest at full expiration (percentile grades) ........ 31 
23. The girth of chest midway between full seaposiisn and full ex- 
piration (percentile pits B)orcevcccscccensseessncss eoncses 3 
24. The length of head (percentile grades).----+-+++++e sees sree sees 
