The phrase "a significant variability in" is correct and usable in written English.
It can be used when discussing the extent of differences or changes in a particular context, such as data, behavior, or outcomes.
Example: "The study revealed a significant variability in the participants' responses to the treatment."
Alternatives: "a considerable variation in" or "a notable difference in".
The restoring force for each stable state is examined yielding a significant variability in the stiffness.
We previously showed a significant variability in adenoma detection among colonoscopists who were participating in a mass screening program.
Although most of the variance in these measures was due to differences between persons, each measure also displayed a significant variability in scores from day to day.
However, attempts to aggregate results from these studies have been difficult, resulting from a significant variability in the implementation and reporting of methods.
Dr. Alan M. Muney, chief medical officer of Oxford, said the company came to recognize that what its audits found was not widespread attempts to inflate the bills that were submitted, but rather, "a significant variability in how people approached documentation" of psychotherapy.
There was a significant variability in appropriateness of studies among centers.
The breaking strength of samples was strongly related to the infill level, although a significant variability resided in the level of layer height used during 3D printing.
A significant variability was shown in the physiological responses to water deficit (D) between the cultivars Cabernet Sauvignon and Shiraz [ 40].
These mean a significant variability of MVD in both SE and intratubular/diffuse type, and could suggest that there are areas alternating abundant microvessels with fewer vessels.
Although the N-terminal and central portions of FXR proteins are highly conserved, a significant variability is observed in the C-terminus [ 6].
A significant variability was observed for in situ conductivity of the PIn and polymer nanocomposites.
