How do TV networks know how many viewers they receive?
There are a team of researchers who are expert in this issue, first of all they consider at most how many people are able to watch them that is a big number then they do an experiment that shows what sort of people watch their TV channel, kids young or old, educated or uneducated,… then they have got gross audio ness number after that by reports that come from their journalists crew they can guess approximately that is so inexact number mostly overestimated.
