Which of the following isa methodology of ‘Six Sigma’?

Which of the following isa methodology of ‘Six Sigma’? Correct Answer DMAIC method

DMAIC is one of the methodologies of ‘Six Sigma’ manufacturing. PDCA cycle is the concept of TQM. FMEA which stands for failure mode and effect analysis is a concept of reliability and quality engineering. QFD stands for quality function deployment is a tool of lean sigma technique which combines the tools and techniques of both ‘Six Sigma’ and lean manufacturing.
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Related Questions

Rock mass parameters for a shale rock, mb, s, and a of the Hoek and Brown failure criterion as given in the equation are 2.4, 0.01 and 0.52 respectively. The uni-axial compressive strength (σCi) of intact sh!le is 50 MPa.
$${\sigma _1} = {\sigma _3} + {\sigma _{ci}}{\left( {{m_b}\frac{{{\sigma _3}}}{{{\sigma _{ci}}}} + S} \right)^a}$$
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