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People on cruise ships are usually not a good sample of the general population, for example, the mean age is quite high.
by kaybe 7y ago
People on cruise ships are usually not a good sample of the general population, for example, the mean age is quite high.
- btilly 7y agoBut it is also a sample with few in the sickest bracket, who are a disproportionate fraction of deaths. And the number of deaths is sufficiently small that it is consistent with a wide range of death rates.