https://www.edx.org/course/preparing-ap-statistics-exam-tennessee-board-regents-statx-0
https://www.edx.org/course/statistical-thinking-data-science-columbiax-ds101x-1
https://www.coursera.org/learn/python-data-analysis#syllabus
https://www.coursera.org/specializations/data-collection#courses