Statisticians frequently assume that data follow a normal distribution when developing statistical methods and performing practical data analysis. In most introductory statistics textbooks, the ...

Sankhyā: The Indian Journal of Statistics, Series B (2008-), Vol. 75, No. 1 (May 2013), pp. 1-15 (15 pages) Folded normal distribution arises when we try to find out the distribution of absolute ...

We study the asymptotic covariance function of the sample mean and quantile, and derive a new and surprising characterization of the normal distribution: the asymptotic covariance between the sample ...

This video describes the central limit theorem and some properties of the normal distribution. Understanding this will help you tie together many of the different types of hypothesis tests and ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Carl Friedrich Gauss was a child prodigy and a brilliant ...

There is a long standing belief in business that people performance follows the Bell Curve (also called the Normal Distribution). This belief has been embedded in many business practices: performance ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Chip Stapleton is a Series 7 and Series 66 license holder, CFA Level ...

The t-distribution (or Student's t-distribution) has similarities to the normal distribution in shape, but with heavier tails. This applet allows users to drag a slider to change the degrees of ...