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.

Spanning many countries and island territories, South America is home to many Spanish-speaking countries. Here, students can literally walk through history on their way to class and soak up the culture of ancient societies.

An Advanced Certificate is a faster way to obtain knowledge of a specific field or career and can be used to demonstrate capability in a certain area. Individuals that obtain this certificate can use it to get promoted or find a better job.