"low variation" is correct and usable in written English.
You can use it when referring to something that has very little or no variation in it. For example, "The data showed low variation in the results."
Demographic variables' coefficients show a very low variation across countries.
One reason might be the low variation at that level of the model.
It has a low variation across the 100×100 m area, showcasing its strong robustness.
This may be due to low variation of free CO2 during these periods (Jayaprakash 1988).
Low standard deviation was calculated, (< 4%%) indicating low variation between test results.
The microwell was effective in regulating the size of AdMSCs aggregates with low variation.
Sugar and eucalyptus plantations had lower variation between sites, and low variation in habitat type.
This stability was also apparent in the very low variation in model precision between simulations with fixed and varying coefficients.
Low variation of speed is an indication of smooth traffic flow in which vehicles are traveling at nearly constant speeds.
The other considered cases have a low variation of the performance with increasing CFO, until the ambiguity limit is reached.
This assumption might be questionable, but in Sweden, there is a relatively low variation of these costs across households.
