The data compiled by the organisation was very useful.

Answer: Option C

Analysed : examine (something) methodically and in detail, typically in order to explain and interpret it.
Enclosed : surrounded or closed off on all sides.
Collected : (of individual works) brought together in one volume or edition.
Published : prepare and issue (a book, journal, or piece of music) for public sale.
Compiled : collect (information) in order to produce a list or book.

Synonym of Compiled is Collected