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 certificate is an educational goal for many students who want to improve their visibility among aggressive job applicants. Certificates may help provide students with increased skills and experience in a number of diverse disciplines, such as business, finance, hospitality, leadership, and management.

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.