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.
 
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