[DannyTN]

...data that is valid will stand the tests.

This writer are illiterate.

Actually, in this case, I think it's you that's illiterate. "Data" can be singular or plural.

Data can also be valid or false. And we have seen false data before from the evolutionist's camp.

[Rudder]

No, "data" is plural and is commonly used (by those who collect data) as such.