unexplained variation造句

The report summarized at the time there were widespread unexplained variations in clinical decisions among dentists.
Research design and participant type explained a small, but statistically significant, amount of the unexplained variation.
This amount of unexplained variation is handled via the introduction of one random variable per data point, \ epsilon _ { ijk }, called error.
Ultimately, they conclude, " the difference in the number of ties can induce substantial inequality and can explain 15-20 percent of the unexplained variation in wages ."
Unexplained variation in human disease phenotype is a complex issue, and with established methodologies of identifying and and characterizing modifier genes, it is tempting to pursue them as explanation, with the potential to lead to a better understanding of the biological mechanisms of disease, such as by characterized interactions between gene products.
It's difficult to find unexplained variation in a sentence. 用unexplained variation造句挺难的