A Variable Sampling Interval Synthetic Xbar Chart for the Process Mean
Table 1
Optimal parameters (L1,L2,k,w,d4) and the corresponding ATS1(δopt) for VSI synthetic chart, for sample sizes, n = 3, 5, 7 and 9, and ATS0 = 370 when d1, d2 and d3 are set as 0.5, 1.5 and 0.5, respectively.