<prompt> About Direct standardization all are true except:Age specific death rate is not neededA standard population is neededPopulation should be comparableTwo populations are compared  <response>: Standardization is done to compare the death rate of two populations with different age composition. Direct Standardization Indirect Standardization Method Use actual ASDRs on the standard age structure Use Standard ASDRs on the actual age structures Utility when 1. No. of deaths in each age group 2. Population in each age group Both are available Both are unavailable ASDR: Age Specific Death Rate 