=+2. The article “Case Adaptation Method of Case-Based Reasoning for Construction Cost Estimation in Korea” (J. Constr. Engr. Mgmt., 2012: 43–52) provided data on military barrack projects undertaken by the Korean Ministry of National Defense from 2004 to 2008. Two variables of interest were the floor area of a barrack and the corresponding cost (in $US). The corresponding data is given here:

Floor Area: Cost:

382 418,930 571 609,386 618 755,489 726 660,527 802 864,438 959 1,003,495 1066 895,947 1306 1,461,549 1873 1,899,494 2460 2,331,632 3134 2,833,203 4989 4,750,468 6918 5,331,390