# Table 8

A Biometrical Study of the Influence of Size of Brood Cell
Upon the Size and Variability of the Honeybee

(Apis mellifera L.)

by Roy A. Grout, 1931

 Table 8. Statistical Constants of Bees from Colony 25. Correlation of (A) dry weight, (B) length of right fore wing, (C) width of right fore wing, and (D) sum of the widths of the third and fourth targites on (X) length of mentum. Statistical constant Sign Size of Cell A B C Standard deviations of samples – +/-0.6228 +/-0.1513 +/-0.0721 +/-0.0985 +/-0.0408 +/-0.7372 +/-0.1062 +/-0.0616 +/-0.1144 +/-0.0366 +/-1.8502 +/-0.1173 +/-0.0530 +/-0.1109 +/-0.0395 Standard regression coefficients – +0.2468 +0.1218 +0.2855 -0.2906 -0.0216 +0.1414 +0.3213 -0.1175 +0.1779 +0.3712 -0.1791 +0.0506 Multiple correlation coefficients R +0.5120** +0.3783 +0.3735 Standard error of estimate +/-0.0368 +/-0.0355 +/-0.0385 Significance of regression Z 0.6211** 0.2802 0.2416
 Regression Equations A. X = +0.1618 A + 0.0329 B + 0.1616 C – 0.1205 D + 1.2745 B. X = -0.0511 A + 0.0487 B + 0.1907 C – 0.0376 D + 0.9342 C. X = +0.0380 A + 0.1250 B – 0.1336 C + 0.0180 D + 0.8394 Analysis of variance of length of mentum of A, B and C groups.
 Source of Variation Degrees of Freedom Sum of Squares Mean Square or Variance Standard Deviation Natural Log of S.D. Between groups 2 245.69 127.35 11.2849 2.423466 Within groups 133 2019.86 15.187 3.8971 1.360231 Total 135 2274.55 16.85 4.1047 1.063235 Z = 1.0632* *Correlation coefficient is highly significant. **Correlation coefficient is significant but not highly so.