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.

Saudi Arabia, officially known as the Kingdom of Saudi Arabia, is the largest Arab state in Western Asia by land area and the second-largest in the Arab world. Saudi Arabia is served by the national airline Saudi Arabian Airlines, often referred to by its Arabic name Saudia.

A BSc (Bachelor of Science) is an undergraduate degree that prepares students for a career in their field of study. While the degree is often related to courses in the realm of science, students in non-science fields can also earn a BSc.