Question

1. (2 points) A research presented data on comprehensive strength x and intrinsic permeability y of various concrete mixes and cures. Summary quantities are: n 14,2y 572, E yi 23,530, Σ Xi-43, Σχ-15742, Σχοϊ-1697.80. Assume that the two variables are related according to the simple linear regression model. Calculate the least squares estimates of the slope and intercept. Estimate σ2

Answer 1

om thでgiver Inform ohon 2xI43 regression engien Ene 2(SX)

82G S 2:3298 ms slope b=97,982.

This is the Linear regression equation with the Regression Coefficients.

Thank You.