Which of the following roles should be responsible for data normalization when it is found...

 A data steward is a role that is responsible for data normalization when it is found that a new system includes duplicates of data items, because a data steward is accountable for the quality, integrity, and consistency of the data in the enterprise. A data steward can define and enforce data standards, policies, and rules, and perform data cleansing, validation, and reconciliation activities to ensure that the data is accurate, complete, and reliable12.