https://nces.ed.gov/fCSM/ICSP.asp
FCSM | Federal Committee on Statistical Methodology
statistical methodologyfederalcommittee
https://www.irs.gov/statistics/soi-tax-stats-statistical-methodology
SOI tax stats - Statistical methodology | Internal Revenue Service
Links to various SOI statistical methodology documents and research papers.
internal revenue servicestatistical methodologysoitaxstats
https://www.ons.gov.uk/methodology/methodologytopicsandstatisticalconcepts
Methodology topics and statistical concepts - Office for National Statistics
The statistical methods and techniques that underpin all our surveys and statistical outputs, and information on statistical quality and revisions policies.
national statisticsmethodologytopicsstatisticalconcepts