## variability + singular or plural verb

0

The sentence is

Variability in data is considered a nuisance.

Variability in data are considered a nuisance.

Initially I thought is was the correct one, but it was corrected to be are. I want to know the reason.

2You were right. Is is correct. "Variability in data" is taken as a whole to be a singular subject. – Jim – 2014-08-06T01:33:03.097