Stian Lydersen dr.ing. and professor of medical statistics at the Regional Centre for Child and Youth Mental Health and Child Welfare (RKBU Central Norway) at the Department of Mental Health, ...

Abstract: Relief degree of land surface is an important factor for representing the characteristics of landform. Up to now, unified methods and standards about classifying relief degree of land ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

Microsoft Excel’s mathematical capabilities often go far beyond the needs of most everyday users. However, Excel’s built-in statistical functions make it an ...

Volatility is troublesome for many investors. Value changes in your stocks, your portfolio, or an index can keep you up at night -- or worse, push you to make emotional decisions you later regret.

Standard deviation is the statistical measurement of dispersion about an average, which depicts how widely a stock or portfolio’s returns varied over a certain period of time. Investors use the ...

Paid non-client promotion: Affiliate links for the products on this page are from partners that compensate us (see our advertiser disclosure with our list of partners for more details). However, our ...

The T-Value is a common statistical calculation with a very wide range of applications. In the business world, it can help in making educated financial predictions and projections. For example, a ...

Microsoft Excel is a powerful tool widely used in various industries for data analysis, financial modeling, project management, and more. Whether you're a beginner or looking to sharpen your advanced ...

But for investors and financial analysts, the raw standard deviation number isn’t always the most helpful. This is where the concept of annualizing standard deviation comes into play. It allows for a ...

In response to my article, Is the Stock Market Too Concentrated?, which relied upon standard-deviation calculations to assess investment risk, a reader wrote: “My problem [with your argument] is ...