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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.