> 1.) What data are they anonymizing? Especially by "randomizing numbers by taking numbers in one place to another place", doesn't this defeat the purpose of a census?
You can mix up data at the individual level so that the aggregate statistics that matter are still accurate. That way the individual is protected, but the data still has meaning.
You can mix up data at the individual level so that the aggregate statistics that matter are still accurate. That way the individual is protected, but the data still has meaning.