Review this week's content Sections $2\mathrm{.}1$ to $2\mathrm{.}8,$ and answer the following.

Your business intelligence division has now grown from one individual to three analysts and you have been made the supervisor. You are now required to train new analyst the importance of management of data and data visualization options. After the training session, you want to write a summary to summarize the training points. You are going to write a paragraph or two to describe the definition of the data cleansithg and its importance. You are also going to discuss the importance to understand how to manage missing values and its role in data preparation. Finally, you are going to include three chart types from this week's lesson and discuss how one could use these chart types in future reporting to the CEO in an organization.