What is the death rate of Castle Rock standardized on Derry? Hint: take the ASDRs from Castle Rock, multiply each by the corresponding proportion from Derry, and then add them all together. (per 1000) Now compare your answer from the previous question to Derry's CDR (27.5). Which has the greater mortality risk? Explain your answer below. 5. Given that the two populations have the exact same age-specic death rates, why are their crude death rates so different