Table 4: Standard deviation of error in trilateration, K-NN, and hybrid algorithm (sample size 10).

Actual position Trilateration (m) K-NN (m) Hybrid approach (m)

(0, 5) 2.38 1.19 1.14
(2, 3) 1.57 1.14 0.77
(2, 5) 0.83 0.68 0.76
(5, 0) 1.47 0.81 0.74
(5, 6) 0.11 1.05 0.83
(3, 7) 1.93 1.82 1.07
(8, 8) 1.37 0.29 0.43
(0, 8) 1.27 0.39 0.41