is an ill labeled survey statistically sound? __________ was labelled wrong and is now correct? can an ill-labeled survey be repaired does a labelled survey form a basis for analysis how to make surveys ill labeled can a labelled survey be repaired why is an ill labeled survey not repairable can an ill-labeled survey be repaired can an ill-labeled survey be repaired? can an ill labeled survey be repaired what is the problem with an ill labeled survey? i.e. how is the first label of a survey categorized what makes an ill label survey work can ill label surveys be repaired can an ill labelled survey be repaired can an ill-labeled survey be repaired what would be a problem if the survey labelled ill-formed can ill label surveys be repaired when a survey is labelled incorrectly can it be repaired why can't an ill-labeled survey be repaired?