In these hypothetical test cases, for simplicity, the analyses were undertaken via selecting two points from each data set. As explained in the previous section, the use of more data points inside the integration window would yield more accurate area approximations. The AMP procedure was followed for all available distinct data sets to obtain the estimation results as depicted in Figure 5 and tabulated in Table 2. The integration intervals employed in this numerical experiment represent different phases of the test data of interest as given in Table 2.