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.

Individuals who are interested in pursuing highly skilled careers may want to start by earning an associate degree at a community college or university. As students earn their degrees, they often expand their knowledge and worldview, as well as increase their professional qualifications.

Part time learning allows one to obtain part-time degrees even if one cannot attend school on a full-time basis. One can learn at his or own pace, gradually accumulating credits which count towards final qualification.