Statistics is the science of analyzing data; the use of statistics is ubiquitous in science, engineering, medicine and epidemiology, marketing, and many other application areas. Probability theory ...

Measurement shows that almost one-half of all market days are down days and slightly more are up days, but close enough to think of it as 50/50. Just as the probability of getting a long string of ...

What Is A Probability Density Function? A probability density function, also known as a bell curve, is a fundamental statistics concept, that describes the likelihood of a continuous random variable ...

Introduction to probability theory and statistical methods necessary for analyzing the behavior of processes and experiments. Statistical tests for detecting significant changes in process parameters.

Methodology: This interactive tool is based on rankings developed by the NRC. For a complete explanation of the methods the research council used, go to its site; registration may be required.