Data taken from Probability and Statistics for Engineering and the Sciences Devore, J. L. 8ed. Exercise 1-77 Predictive Model for Pitting Corrosion in Buried Oil and Gas Pipelines Corrosion, (2009) 332-342 'pitting_depth (mm)' 0.41 0.41 0.41 0.41 0.43 0.43 0.43 0.48 0.48 0.58 0.79 0.79 0.81 0.81 0.81 0.91 0.94 0.94 1.02 1.04 1.04 1.17 1.17 1.17 1.17 1.17 1.17 1.17 1.19 1.19 1.27 1.4 1.4 1.59 1.59 1.6 1.68 1.91 1.96 1.96 1.96 2.1 2.21 2.31 2.46 2.49 2.57 2.74 3.1 3.18 3.3 3.58 3.58 4.15 4.75 5.33 7.65 7.7 8.13 10.41 13.44