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.

The United Arab Emirates is a federation of seven emirates on the eastern side of the Arabian peninsula, at the entrance to the Persian Gulf. Much of the work force in the UAE are foreign expatriates - hence the country's population makeup being so diverse, with Emirati citizens being a minority in their own country.

A masters is earned after students complete an undergraduate degree program. To obtain a masters, you usually need to complete 12 to 18 college courses that often involve completing comprehensive tests and/or a thesis.