You are given information about the number of people in each of the age categories in populations A and B and the total number of deaths in each population. In addition, you are given the number of people and the number of deaths in each of the age categories in the standard population. What type of adjustment of death rates should be performed given information in the table below? (Choose the best answer) Q Direct adjustment of mortality rates by age O Direct adjustment of mortality rates by age and sex O Indirect adjustment of mortality rates by age O Indirect adjustment of mortality rates by age and sex