Here's why:
* Datum is singular, meaning one piece of information.
* The plural form of "datum" is data.
* To form the possessive, you add an apostrophe and an "s" to the plural form.
Therefore, the plural possessive form is data's.
Here's why:
* Datum is singular, meaning one piece of information.
* The plural form of "datum" is data.
* To form the possessive, you add an apostrophe and an "s" to the plural form.
Therefore, the plural possessive form is data's.