<prompt> Translate the following text to EnglishKwa mfano, sampuli za takwimu zilianzishwa katika miaka ya 1960 ili kupunguza gharama za mchakato wa malipo na bado kutoa uaminifu kwamba malipo yalifanyiwa kwa usahihi.  <response>: Statistical sampling was initially implemented in the 1960s to reduce the cost of the payment process while still affording confidence that payments were processed accurately. 