Ali Hussain has a background that consists of a career in finance with large financial institutions and in journalism covering business. Vikki Velasquez is a researcher and writer who has managed, ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 36, No. 2 (1987), pp. 145-152 (8 pages) Ranked set sampling is a technique for estimating the mean of a population, of use ...

Imagine you're tasked with sending a team of football players onto a field to assess the condition of the grass (a likely task for them, of course). If you pick their positions randomly, they might ...

Module 8 of the Practical Essentials of GC & GC-MS course. This course has been approved by the Royal Society of Chemistry for purposes of Continuing Professional Development (CPD). This module covers ...

Considerable controversy has taken place between those who favor quota sampling and those who advocate area sampling in opinion polling. This article does not attempt to give a final solution to the ...