data := [[8, -9.878361037], [1.606043123, -7.008992144], [-6.411171287, -7.5432\
90262], [.517141217, -7.847523615], [-6.807860182, -9.570764244], [10.31307256,
-5.916723205], [-4.452785837, -8.280794603], [-2.560180755, -7.908748201], [4.3\
16222232, -5.957916415], [3.738440576, -7.230571635], [2.342050441, -5.97009573\
5], [7.146253214, -5.581483492], [10.10594250, -6.197725412], [-8.713705532, -8\
.651722930], [-.538554829, -7.986531960], [.222668131, -7.971403668], [2.014348\
341, -6.587147433], [8.735862082, -5.688995911], [5.177859720, -6.824267692], [
6.755227682, -5.210270986], [.7755099678, -7.538435736], [-2.003310914, -7.1614\
22341], [-5.221195934, -7.972612791], [-9.516853868, -8.737388415], [.848904356
, -8.291107242], [-1.800774345, -6.950114377]];