sensible comment relating to the calculated value of K testing i\against criterion specified by candidate what do they mean by CRITERION ?? in P31 O/N2012
http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_w12_ms_31.pd
http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_w12_ms_31.pd