## The Annals of Mathematical Statistics

- Ann. Math. Statist.
- Volume 20, Number 4 (1949), 552-560.

### Application of the Method of Mixtures to Quadratic Forms in Normal Variates

Herbert Robbins and E. J. G. Pitman

#### Abstract

The method of mixtures, explained in Section 2, is applied to derive the distribution functions of a positive quadratic form in normal variates and of the ratio of two independent forms of this type.

#### Article information

**Source**

Ann. Math. Statist., Volume 20, Number 4 (1949), 552-560.

**Dates**

First available in Project Euclid: 28 April 2007

**Permanent link to this document**

https://projecteuclid.org/euclid.aoms/1177729947

**Digital Object Identifier**

doi:10.1214/aoms/1177729947

**Mathematical Reviews number (MathSciNet)**

MR32151

**Zentralblatt MATH identifier**

0036.20801

**JSTOR**

links.jstor.org

#### Citation

Robbins, Herbert; Pitman, E. J. G. Application of the Method of Mixtures to Quadratic Forms in Normal Variates. Ann. Math. Statist. 20 (1949), no. 4, 552--560. doi:10.1214/aoms/1177729947. https://projecteuclid.org/euclid.aoms/1177729947