Code book for dataset-Name-University name, year- year of data collection, sector-4 year/2year institutions, statebbr- name of the state, urbanization- degree of urbanization (1=city, 2= suburb, 3-town, 4=rural), Carnegie- research focus (1=doctoral research, 2=masters, 3-baccalaureate), totalenrollment, undergradenrollment, gradenrollment, avg_loans- average loans per student, revenue_tuitionfees_perstudent- Revenues from tuition and fees per FTE (GASB) Task List- 1.25 4-5 1. Show the summary statistics for variable "totalenrollemnt" and its r code 2. Create a list of Universities who are focused on Masters (Carnegie variable) using r 3. Find out the mean and standard deviation for universities in California based on their position in urbanization I 4. Create a new variable using mutate function Instruction: 1. Install necessary packages and load them in r 2. Upload the dataset in r 3. Use "#" to give your comment in the r script to show what you are doing and why you are doing the specific task