Explore the data

Hi, I am trying to understand how to submit a data paper for my sociological statistics class. You will find the assignment instructions down below. I will also post my notes for this particular assignment.

Explore your data and figure out what variables will be useful for your objective
You will always use Age, grade, sex, income, and race variables in all your analysis
Provide frequency distribution of each variables
Use graph, frequencies, and any other means to explain your data