Mark Blumenthal and Natalie Jackson of Huffpost Pollster write: If you read polls in the news, you’re probably familiar with the term “margin of error.” What ...

HOLLIDAYSBURG — High levels of lead recently found in samples of drinking water in some homes and buildings in Hollidaysburg Borough were the result of a sampling error, according to Rick Pope, ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

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 ...