One of the first analyses you will do that for the following case: A data set from all the visits to the Emergency Room (n = 84,355), including age, is available. The goal is to look for the number of visits by a broad age group. transform the data. classify all the sex(es) with 1 = male, 2 = female, and 3 = other. define your question(s). create categories by calculation from a continuous variable