When discussing whether or not a set of data indicates a particular outcome, which form is correct: "the data don't" or "the data doesn't" indicate that outcome? — Richard C., United States
Answer
Technically, "data" is a plural noun—it is the plural form of the noun "datum." However, it is used with both singular and plural verbs.
The data show a decrease in visitors to state parks.
The data shows a decrease in visitors to state parks.
When it is used with a singular verb it is being treated as a noncount noun, like "information." Some people consider the use with singular verbs to be incorrect or informal, but it is entirely standard.
The data is accurate.
A plural verb should be used with "data" in formal and technical writing such as in scientific writing.
The data are being recorded.
So then, in formal, academic, or scientific writing you should write "the data don't indicate…"