Project No Actual size (KLOC) Estimate of Pairwise methodology (KLOC) Absolute error margin (KLOC) % error MRE
1 42.1 39.64 2.46 4.75 0.0475
2 72.12 69.49 2.63 3.65 0.0365
3 29.52 28.23 1.29 3.01 0.0301
4 42.82 43.11 0.29 0.68 0.0068
5 16.73 17.22 0.49 2.93 0.0293
6 196.22 196.41 0.19 0.097 0.00097
7 67.31 70.10 2.79 4.15 0.0415
8 52.76 49.44 3.32 6.29 0.0629
9 46.92 47.01 0.09 0.19 0.0019
10 37.54 38.09 0.55 1.47 0.0147
11 14.723 13.967 0.756 5.13 0.0513
12 24.666 24.061 0.605 2.453 0.02453
13 30.464 29.000 1.464 4.806 0.04806
14 109.659 109.410 0.249 0.227 0.00227
Mean () 55.968 55.36986      
Table 7: Showing error margin between actual size and estimates from pairwise methodology.