Do Male Symphony Conductors Really Live Longer? Several media reports made the interesting observation that male symphon

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Do Male Symphony Conductors Really Live Longer?
Several media reports made the interesting observation that male
symphony conductors live longer than other males. John Amaral wrote
in Awaken that orchestra conductors "live longer than almost any
other group of people by three to seven years." Robert Levine wrote
in Polyphonic.org that they live longer "because they stand up
whiling working." Some provided other explanations for this
phenomenon, often referring to cardiovascular activity. But do male
symphony conductors really live longer than other groups of males?
The Internet can be researched for possible answers. Let's also
consider the following.
Analysis
1. Consider the statement that "male symphony conductors live
longer." "Identify the specific group that they supposedly live
longer than. Does that other group consist of males randomly
selected from the general population?
2. It is reasonable to assume that males do not become symphony
conductors until they have reached at least the age of 40 years.
When comparing life spans of male conductors, should we compare
them to other males in the general population, or should we compare
them to other males who lived until at least 40 years of age?
Explain.
3. Explain in detail how to design a study for collecting data
to determine whether it is misleading to state that male symphony
conductors live longer. Should the study be an experiment or an
observational study?