Answer Happy

32-37: Correlation and Causality. Consider the following statements about a correlation. In each case, state the correlation clearly (for example, there is a positive correlation between variable A and variable B). Then state whether the correlation is most likely due to coincidence, a common underlying cause, or a direct cause. Explain your answer.
40. Longevity of Orchestra Conductors. A famous study in Forum o Medicine (1978) concluded that the mean lifetime of conduc tors of major orchestras was 73.4 years, about 5 years longer than that of all American males at the time. The author claimed that a life of music causes a longer life. Evaluate the claim of causality and propose other explanations for the longer life expectancy of conductors.