A group of MBA students was invited to watch a Super Bowl game at a local sports bar. They were promised free chicken wings and free soda drinks. The students loaded up on the wings and when they were eaten could refill their plates. Waitresses were part of the experiment. For half the students they cleared the plates loaded with bones. The other half did not have their bone plates picked up. After the Super Bowl was over the number of wings consumed by each group of students was recorded. Is there sufficient statistical evidence to infer that people eat more when they are not aware of how much they have already eaten?
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