Correlation vs. Causation Discussion

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In this discussion, you will explore the differences between correlation and causation.  For example, there is a correlation between smoking and lung cancer.  We cannot directly say smoking causes lung cancer since there are chain smokers that never develop lung cancer.  There is a correlation between a sedentary lifestyle (no exercise) and strokes.  A car crash would be a direct cause of a broken bone so this is causation.

There was a sad news story about a woman pushing an elderly man off a bus because she was irritated that he was going so slow and told her to be "nice" when she complained.  The elderly man died a month later.  Would he have died anyway?  Is there direct causation between the events?  Is there simply a correlation?  Is there no connection?