pressive strength x and intrinsic permeability y of various concrete mixes and cures. Summary quantities are n = 14, v = 572, Σ ν = 23,530, Σ.x. = 43, Σx = 157.42, and Exy = 1697.80. Assume that the two variables are related ording to the simple linear regression model. Correct. Calculate the least squares estimate of the slope. (Round your answer to 3 decimal places.) -2.330 Correct. lculate the least squares estimate of the intercept. (Round your answer to 3 decimal places.) 48.014 * Incorrect. Statistical Tables and Charts Use the equation of the fitted line to predict what permeability would be observed when the compressive strength is x = 4.3. Round your answer to 2 decimal places.) i -0.36

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