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 ...

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 ...

This is a preview. Log in through your library . Abstract Observer error is ubiquitous in vegetation sampling. Observer error, along with other types of related ...

This is a preview. Log in through your library . Abstract To manage a large commercial fishery it is necessary to have a good estimate of its exploitable biomass. Knowledge of this parameter is ...

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 ...