“…Table 2a provides an example of design points used in a 2 3 full factorial design that have been modified by multiplying by a simulated random number between 0.95 and 1.05 to obtain the design matrix given in Table 2b. (Bhunia & Ghangrekar, 2007) Full Factorial 11% 24% (Prasad & Srivasta, 2009) Full Factorial 54% 125% (Lima, et. Al., 2007) Full Factorial 5% 9% Saadat & Karimi-Jashni, 2010) Full Factorial 135% 444% (Srinivasan & Viraraghavan, 2010) Fractional Factorial 18% 39% (Mobilia, Scipioni, Veglio & Sciano, 2010) Fractional Factorial 27% 67% (Dobrev, Pishtiyski, Stanchev & Mircheva, 2007) Fractional Factorial 5% 9% (Chen, Lin, Jones, Fu & Zhan, 2009) Fractional Factorial 37% 109% (Rispoli, et.…”