# Table 7

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 7. 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 proboscis. Statistical constant Sign Size of Cell A B C Standard deviations of samples – +/-0.6228 +/-0.1513 +/-0.0721 +/-0.0985 +/-0.1263 +/-0.7372 +/-0.1062 +/-0.0616 +/-0.1144 +/-0.0807 +/-1.8502 +/-0.1173 +/-0.0530 +/-0.1109 +/-0.0982 Standard regression coefficients – +0.1587 +0.7481 * -0.1154 -0.0464 +0.0216 +0.2910 ** -0.0657 -0.2144 +0.0145 +0.7448 * -0.1788 -0.0187 Multiple correlation coefficients R +0.7422* +0.3540 +0.6445* Standard error of estimate +/-0.0889 +/-0.0790 +/-0.0787 Significance of regression Z 1.2406* 0.2064 0.9804*
 Regression Equations A. X = 0.3218 A + 0.6244 B – 0.2021 C – 0.0595 D + 1.1235 B. X = 0.0236 A + 0.2211 B + 0.0860 C – 0.1512 D + 4.9453 C. X = 0.0077 A + 0.6232 B – 0.3315 C – 0.0165 D + 1.8315 Analysis of variance of length of proboscis 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 4,251.81 2125.90** 46.1075 3.830977 Within groups 133 14,096.02 105.99 10.2951 2.331667 Total 135 18,347.83 135.91 11,6580 1.499310 Z = 1.4993* *Correlation coefficient is highly significant. **Correlation coefficient is significant but not highly so.