1249 
TABLE V. Observer M. 
9.35 
Groups Arithm. mean Mean deviation Median 
9.79 0.63 9.72 
st | 
| | 9.34 0.68 9.70 
I | 10.92 0.86 10.93 
i 2d 
(20) | 10.78 0.92 10.72 
1285 1.66 11.82 
3d | 
12.13 2.03 12.21 
9.62 0.51 9.37 
ist 
9.52 0.60 9.31 
Il Oil 0.52 9.47 
2d | 
(20) 9.52 0.51 9.30 
9.50 0.49 9.47 
3d | 
9.49 0555 9.40 
TABLE VI. Observer R. 
Groups | Arithm. mean Mean deviation Median 
12.42 0.71 12.57 
Ist | | 
10.91 15393 11.20 
I Hass 1.33 18309 
( 2d | 
(20) | 11.10 | 1.78 10.50 
| 14.13 | 2.41 13.56 
(ad 
| | 13.28 1.78 12.90 
| | 9.22 0.78 9.22 
Ist | 
| 9.11 0.44 9.10 
II 9.09 0.99 9.08 
2d | | | 
(19) | 9.52 | 0.84 8.80 
| 9.56 1.02 9.83 
3d | | | 
| | 9 | 1.02 
| 
