The phrase "a high level of variability" is correct and usable in written English.
It can be used when discussing the extent or degree of variability in a particular context, such as statistics, research, or analysis.
Example: "The study revealed a high level of variability in the participants' responses, indicating diverse opinions on the subject."
Alternatives: "a significant degree of variability" or "a considerable amount of variability."
The other variables which showed a high level of variability across cities, internal supervision and aggressive behaviour, may also have being open to different interpretations across countries.
The boxplots depict a high level of variability of both total peak demand and domestic peak demand before implementation of the PFCT scheme compared with implementation of the PFCT scheme.
Site-scale analyses at 12 sites reveals a high level of variability (in some cases related to land use history) that must be taken into consideration when planning for urban agriculture.
Preliminary results presented here indicate a high level of variability in intra- and inter-assay detection of these targets, highlighting the need for standardisation of assays within molecular diagnostics.
After confirmation of transgenesis using PCR amplification of the rol A (320 bp), rol B (400 bp) and rol C (600 bp) genes, metabolite profiles indicated a high level of variability between the different transgenic clones but these had more compounds compared to non-transgenic control cultures.
However, a direct correlation between stem cell quiescence and age has not yet been defined due to a high level of variability between individuals.
In contrast, the sequenced portion of this region that encodes the E2 protein presents a higher level of variability, mainly concentrated in the three hypervariable regions.
Compared to cox2, AFLP markers show a higher level of variability and enable better differentiation among Clonopsis populations.
However, CR is at lower levels in children, and there is probably a higher level of variability due to the lack of a 24-hr sample.
The service area in Figure 2 indicates lower levels of greenness than the service area in Figure 3 but has a higher level of variability.
As commonly reported for hardwoods and eucalypts in particular [ 63], S units (2504 mol.g-1 of lignin on average) were more abundant that G units (624 mol.g-1 of lignin on average), S also presented a higher level of variability.
