“…Different researchers used the statistical techniques for the experimental design to investigate the predictive model of response characteristics (cutting cost, cutting forces, material removal rate, SR, tool wear, tool life) (Kataria and Kumar, 2014; Sharma et al , 2015; Gupta and Kumar, 2015; Jangra et al , 2016; Kataria et al , 2017; Jha et al , 2018; Singh et al , 2020; Gupta et al , 2020).…”