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 ...

Oct. 8, 2008— -- Surveys based on a random sample of respondents are subject to sampling error – a calculation of how closely the results reflect the attitudes ...

This is a preview. Log in through your library . Abstract A comprehensive treatment of the theory of non-sampling errors is given in this paper by bringing together the work of a number of authors on ...

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 ...

Negative margin status is an important predictor for local control and overall outcome in head and neck cancers. 1, 2, 3 Frozen section analysis is a useful tool for assessing margin status ...