I'm a trainee  https://www.southeastwriters.org/acetaminophen-or-ibuprofen-for-teething-1a5a.pdf#delivery pediatric ibuprofen dose by weight
  "Since the CPI price collection relies upon field staff visiting shops, some of the October data will never be collected," said Randal Verbrugge, a senior research economist at the Cleveland Fed. "As a result, the November CPI release, which is based upon October data, will have a much bigger standard error due to the smaller sample."