How do researchers determine what is true based on the data they collect? This question is one of the central concerns of statistics, which uses mathematical models to draw useful conclusions about the real world.

From indigenous civilizations to modern day empires, North America has plenty of hands-on educational opportunities to offer scholars. Filled with a range of distinct cultures, students can educate themselves in well-rounded way.

Achieving high scores on A-levels is important for UK students who wish to enter university. Institutions of higher learning use the results of these exams to decide if a student is prepared to study at their program.