The phrase "a mean proportion of" is correct and usable in written English.
It can be used in contexts discussing ratios, averages, or comparisons between quantities or qualities.
Example: "The study found a mean proportion of participants who preferred the new product over the old one."
Alternatives: "an average ratio of" or "a typical proportion of".
Among plant individuals affected by baboons or rodents, a mean proportion of 0.49 ± 0.31 (SD) of individuals' inflorescences were damaged or destroyed.
The cells hybridised with Bvulg 1017 were observed in 85% of individuals (17/20 samples) and represented with a mean proportion of 4.2 ± 6.1%, the most abundant Bacteroides species in human faeces.
TP is significantly enriched in the PM and fluctuates between 3.9% and 15.0% with a mean proportion of 11.5% (Figure 2F).
A mean proportion of 11.5% total phosphorus (TP) in the PM changed abruptly with the facies to a mean value of only 0.9% in the OSM and the MM.
Fig. 10 a Mean proportion of correct responses for the optimized color sets (closed symbols) and baseline color sets (open symbols) for participants in the isolated group and balanced group (x-axis), separated by participants in the match task (circles) and select task (squares).
Over the experiment, the functional organization of the biofilms' bacterial community increased steadily (Figure 4) and showed no significant inter-flume difference (one-way ANOVA; n = 20; p = 0.3910): on day 5, 20.0% of the bacterial DGGE bands corresponded to a mean proportion of 52.9 ± 7.2% of the cumulative band abundance indicating a medium degree of functional organization.
After general biology instruction (Study 1), they had a mean proportion correct of 0.62; after phylogenetics instruction in the Evolution course (Study 2), accuracy increased to 0.90.
In comparison, non-African populations exhibit a positive mean value of Tajima's D (0.302) [19], a higher mean value of Rozas' R2 (0.142), and a lower mean proportion of singletons (19%) (data not shown).
Admixture analysis based on binary and Y-STR haplotypes indicates a high mean proportion of ancestry from North African (10.6%) and Sephardic Jewish (19.8%) sources.
Both populations showed a higher mean proportion of time of stinging on their natal host compared to all non-natal hosts.
We applied cn.MOPS approach to the set of simulated samples with the same read depth and found a lower mean proportion of hits in comparison to our method running at γ=99%%.
