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.

A student who achieves high scores on A-levels may have more options when it comes to choosing an advanced degree program. A-level exam scores are often a major factor in gaining enrollment in a respected university.

Online learning refers to use of electronic media and information and communication technologies (ICT) in education. With online learning one has the flexibility to access their studies at any time and from anywhere they can log on.