<prompt> Translate the following text to EnglishUchunguzi wa sampuli ya takwimu inaruhusu kufanya hitimisho kuhusu 1 ulimwengu wa ankara ambazo sampuli ilichaguliwa kutoka na 2 taratibu zilizotumika kwa usindikaji wa ankara zote katika ulimwengu.  <response>: Statistical sampling allows conclusions to be made about 1 the universe of invoices from which the sample was selected and 2 the procedures in effect used to process all invoices in the universe. 