Vales is special faculty in CMU's Department of Psychology. She worked with colleagues Zach Branson and Anna Fisher to find a ...

Generating random lists of numbers in Excel is handy for randomizing lists, statistical sampling, and many other uses. However, Excel's random number functions are volatile, meaning they change ...

Trading options requires answering these questions: Which direction will a stock move, how far will it go and when will it happen? Here are 4 steps to get started. Many, or all, of the products ...