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 9.
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 glossa.
Statistical constant Sign Size of Cell
A B C

Standard deviations of samples
  - +/-0.6228
+/-0.1513
+/-0.0721
+/-0.0985
+/-0.0978		 +/-0.7372
+/-0.1062
+/-0.0616
+/-0.1144
+/-0.0616		 +/-1.8502
+/-0.1173
+/-0.0530
+/-0.1109
+/-0.0828

Standard regression coefficients
 - +0.0297
+0.8353*
-0.2471
+0.0532		 -0.1404
+0.3625**
-0.0106
-0.0022		 -0.2640
+0.5759*
+0.0060
+0.0681

Multiple correlation coefficients
 R +0.7035* +0.3416 +0.5752*

Standard error of estimate
   +/-0.0730 +/-0.0606 +/-0.0710

Significance of regression
 Z 1.1284* 0.1637 0.7990*


Regression Equations
A. X = +0.0466 A + 0.5400 B - 0.3352 C + 0.0529 D - 0.1118
B. X = -0.1173 A + 0.2102 B - 0.0106 C - 0.0492 D + 02.7602
C. X = -0.01182 A + 0.4064 B + 0.0094 C + 0.0508 D + 0.3720
Analysis of variance of length of glossa 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 2700.16 1350.08 36.7434 3.603958
Within groups 133 8877.22 66.75 8.1701 2.100480
Total 135 11577.38 85.758 9.2606 1.503478
Z = 1.5035*
*Correlation coefficient is highly significant.
**Correlation coefficient is significant but not highly so.
 
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