Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, and has a degree in accounting and finance from DePaul University. Vikki Velasquez is a researcher and writer who has ...

Research and statistical analysis help us understand how the world works, how effective medications and treatments are, what influences our health, the best approach for business practices, and much ...

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...

Efficient market hypothesis posits stock prices reflect all known info, making market timing tough. Critics argue market sentiment and future predictions also shape stock valuations, not just known ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer ...

Null hypothesis vs. hypothesis, which is the right choice? When you get into the different methods of analyzing data, there is no shortage of tools at your disposal. Understanding the difference ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Figure 2: A schematic representation of the logical model of the aromatic amino acid pathway in yeast. We needed a way of representing prior biological knowledge in the computer, so we developed a ...