You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following is used to compare the death rates of two different populations? and explain in detail?
If we want to compare the death rates of two populations with different age composition, the crude death rate is not a right yardstick.Age standardization removes the confounding effect of different age structures and yields a single standardized or adjusted rateref:park&;s textbook,ed23,pg 58