There are three major things that we can do with statistics: (1) Describe: The world is complex and we often need to describe it in a simplified way that we can understand. (2) Decide: We often need t...There are three major things that we can do with statistics: (1) Describe: The world is complex and we often need to describe it in a simplified way that we can understand. (2) Decide: We often need to make decisions based on data, usually in the face of uncertainty. (3) Predict: We often wish to make predictions about new situations based on our knowledge of previous situations.
