Z Score,T Score, Percential Rank and Box Plot Graph
Define operationally of hardness of alloy
1. DEFINE OPERATIONALLY OF HARDNESS OF ALLOY
Hardness of alloy is the diameter of
dent on alloy measured when 1 kg
of weight is dropped onto it. The
smaller the diameter of dent
formed on the alloy, the harder the
alloy.
Maziah, 5C 2011
Trial Perlis 2011