2. Students' attrition is a problem faced by many universities, NN University among those universities which suffer from the problem where the students does not finish their studies, namely, student attrition. To solve this problem, the NN University decided to understand the reasons behind the attrition to be able to determine who is going to drop out. What is available for the analysis is 5 years institutional data for 5000 students. The data contained the following details (student'academic, financial demographic characteristics and tex date which was collected from students complains and feedbacks). How would you help the university in preparing the data for the analysis