Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

Here’s a good idea for the next presidential candidate debate: They can insult each other about their ignorance of statistics. Actually, it’s a pertinent topic for political office seekers, as public ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Unlevered beta measures a company's market risk without the influence of debt, ...

When you use the statistical analysis features in Excel, you are leveraging one of the most powerful tools available for data manipulation and interpretation. Excel is not just a spreadsheet ...

Process capability indices (PCIs) have long served as crucial metrics in assessing the performance and quality of manufacturing processes. Recent advances in statistical estimation techniques have not ...

Dispersion is an important statistical measure that quantifies the range of outcomes among the components of an index during a specific period. The S&P 500 Realized Dispersion Indices offer two ...

Measuring portfolio performance involves monitoring and analyzing returns, allocation, risk, and other elements. There are several metrics that an investor may choose from to gauge the progress of ...

What is the goal of the new Statistical Performance Indicators (SPI)? The Statistical Performance Indicators measure the capacity and maturity of national statistical systems by assessing the use of ...

A graphic circulating on social media compares Donald Trump’s and Joe Biden’s economic records as president and cites FactCheck.org as the source. But two of its figures are way off, and others are ...