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Fig. 5. The probability, for a given-size group of scout bees reporting on either
the 40 l nest box or the 15 l nest box, that the total number of dance
circuits (= signals) produced will be greater for the group reporting on the
40 l nest box. Probabilities were calculated by taking 240 random samples from
each of the two distributions of dance circuits per bee shown in
Fig. 3. Next, the samples from
each distribution were grouped consecutively into 240 groups of size 1, 120
groups of size 2, 80 groups of size 3, etc., and the dance circuits produced
by the bees in each group were summed. Then, for each group size, the dance
circuit totals were compared between matched pairs of groups (e.g. the first
group of size 2 from the 40 l distribution was paired with the first group of
size 2 from the 15 l distribution). In the 240 comparisons of group size 1,
81.4% of the groups reporting on the 40 l nest box produced more dances; in
the 120 comparisons of group size 2, 85.0% of the groups reporting on the 40 l
nest box produced more dance circuits; and so forth until in the 40
comparisons of group size 6, 100% of the groups reporting on the 40 l nest box
produced more dance circuits.
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