A slug test was performed in a piezometer with a casing radius of 2.54 cm and a screen radius of 2.54 cm. A slug of 4,000 cm³ of water was injected, raising the water level by 197.3 cm. The well completely penetrated a confined stratum with a thickness of 2.3 m. The decline in head over time is shown in the table below. Using any method you choose, estimate the hydraulic conductivity of the aquifer. Elapsed time (seconds) 0 1 2 3 195@ 4 7 10 13 17 22 32 53 84 119 170 245 400 800 Head (cm) 197.3 185.4 178.6 173.6 167.7 158.8 147.0 147.0 140.0 129.2 118.4 99.6 74.0 51.3 35.5 23.3 15.2 8.7 4.3

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