Researchers produced a study that involves 875 workers in the auto industry. The study showed that after 30 years 367 were retired, 85 or still employed at the auto industry, 300 left the industry and the rest were not reachable. What

Question

Is the problem with this study

A). Self interest
B). Precise numbers
C). Voluntary response
D). Missing data

Answer 1

Your study doesn't even have a hypothesis.