Is the number of deaths from copd in this group excessive


Many investigators have studied the relationship between asbestos exposure and death from chronic obstructive pulmonary disease (COPD).

5.10 Suppose that among workers exposed to asbestos in a shipyard in 1980, 33 died over a 10 year period from COPD, whereas only 24 such death would be expected based on statewide mortality rates. Is the number of deaths from COPD in this group excessive?

 

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Basic Statistics: Is the number of deaths from copd in this group excessive
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