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.
 
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