In this paper, some properties of the asymptotic variance of the sample quantiles and the derived mid-ranges are studied and the role of the sample median is critically discussed. It is shown that ...

This paper considers the consequences of estimating variance components by means of the fitting constants method of estimation when the assumed random effects model contains factors which do not ...

Discover how efficiency variance reveals the gap between expected and actual inputs in production and its impact on labor, materials, and costs.

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 ...

A variance occurs when expenses such as revenue or labor are either more or less than what the company anticipated and budgeted for. Hospitality businesses such as hotels and restaurants can ...