Can i sue a website that has incorrect information about me sold to the public?

Their disclaimer (part of it)

The data and information contained in our reports may not be 100% accurate and we make no representations or warranties regarding the quality or accuracy of our data or the integrity or character of any individual or entity which you have received information about through our service.

Absolutely. You don't even need a lawyer.

[link to www.peopleslawyer.net]

You also need to prove damages, which is somewhat tricky.

Yes, verbal slander is the same as written libel. Sue for libel by writing untrue things pertaining to you.

Dictionary
1slander
transitive verb slan·der \ˈslan-dər\

: to make a false spoken statement that causes people to have a bad opinion of someone

Defamation - Wikipedia, the free encyclopedia
[link to en.wikipedia.org (secure)]
Libel is defined as defamation by written or printed words, pictures, or in any form other than by spoken words or gestures. The law of libel originated in the 17th ...

Defamation and slander lawsuit.