There are 10,000 individuals in City A, which is located in Massachusetts. Eight young individuals and 420 old individuals develop the flu over the course of a year.
- Use these data to calculate the crude influenza rate per 1,000 individuals per years in City A.
- What is the crude rate of influenza in City B?
- What is the crude rate of influenza in City C?
- Calculate an age-adjusted influenza rate for each of the cities. Use the age distribution for the State of Massachusetts (shown in the table) as the standard.
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