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.

Botswana is located in southern Africa and has made significant progress in developing its higher education system. The discovery of diamonds substantially increased revenue for the nation, and much of this revenue has been funneled into improving schools and colleges.

Academic institutions around the world offer a BSc or Bachelor of Science. This popular undergraduate degree is helpful in preparing students for the workplace or for advanced degree programs. The average BSc takes three to five years to complete.