Abstract: This paper investigates the efficiency of Gini's mean difference (GMD) as a measure of variability in two commonly used process capability indices (PCIs), i.e., Cp and Cpk. A comparison has ...

Unlock the simplest and clearest explanation of the Normal Distribution! In this video, we break down one of the most important concepts in statistics using easy visuals and real-life examples.

The normal distribution is a concept in statistics that assumes all values are distributed in the same pattern. It requires symmetry and consistent proportions in the distribution of values. Normal ...

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 ...

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

PORTLAND, Ore.--(BUSINESS WIRE)--StanCorp Financial Group, Inc. (The Standard) and The Allstate Corporation (NYSE: ALL) announced earlier today a definitive agreement under which The Standard will ...

Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced ...

StanCorp Financial Group, Inc. (“The Standard”) today announced the closing of the acquisition of the Life & Disability business from Elevance Health in accordance with the terms of the agreement ...