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Table 8

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.