The following data represent the concentration of organic carbon (mg/L) collected from organic soil. Construct a 99% confidence interval for the mean concentration of dissolved organic carbon collected from organic soil. (Note: x¯ = 16.88 mg/L and s = 8.44 mg/L) 11.90 29.80 27.10 16.51 5.20 8.81 7.40 20.46 14.90 33.67 30.91 14.86 7.40 15.35 9.72 19.80 14.86 8.09 22.49 18.30