Many other statistics begin with a calculation of the standard deviation. For example, when considering normally-distributed data, the z-score is calculated as the number of standard deviations a ...

This course is a rigorous introduction to statistical inference: probability theory, confidence intervals, and hypothesis tests. The course also covers regression analysis, which is developed in a non ...

An intermediate level course building on competence in quantitative reasoning skills and the fundamentals of research methods, and focusing on descriptive and inferential statistics and their ...