Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 42, No. 4 (1993), pp. 585-601 (17 pages) In this paper two-dimensional systematic sampling of land use is considered. Data ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Academic survey researchers tend to differ ...

SSRS conducted the National Public Opinion Reference Survey (NPORS) for Pew Research Center using address-based sampling and a multimode protocol. The survey was fielded from Feb. 1, 2024, to June 10, ...

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 ...