No. The verb modifies a sort of implied subject. Read it as "The word 'data' is ...

		kelnos on May 30, 2019 \| parent \| context \| favorite \| on: Data Is Plural – Structured Archive No. The verb modifies a sort of implied subject. Read it as "The word 'data' is plural", and it makes more sense. Put another way, using a more standardly-pluaralized word, you would say "puppies is plural", not "puppies are plural".