Question: Consider the data from Exercise 11-1 on x = compressive strength and y = intrinsic permeability of concrete. (a) Test for significance of regression using

Consider the data from Exercise 11-1 on x = compressive strength and y = intrinsic permeability of concrete.
(a) Test for significance of regression using a = 0.05. Find the P-value for this test. Can you conclude that the model specifies a useful linear relationship between these two variables?
(b) Estimate σ2 and the standard deviation of (c) What is the standard error of the intercept in this model?

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