
(a) 1st correction (mean of 1st, 2nd, and 3rd orders is coincident) (variance of 2nd and 3rd orders is coincident) 


(b) 2nd correction (mean of 1st, 2nd, and 3rd orders is coincident) 

Figure 14: Comparison between the response mean and variance for the first, second, and third orders with numbers of corrections 1 and 2, . 
