Data analysis is a process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making.
in other words I can provide you with clean data and vital business insights that can significantly help you improve your business operations & decisions as well as even refining your own business objectives and long term goals so that they're more realistic or achievable.
These valuable insights are produced after gathering the correct data, diving deeper into the , assessing the data , cleaning it then finally producing the insights and visualizations needed to illustrate as well as communicating results to stakeholders .