Question: Refer to Exercise 3 where we are trying to link mortgage interest rate (x) to home sales (y). The estimated regression equation there was y

Refer to Exercise 3 where we are trying to link mortgage interest rate (x) to home sales (y). The estimated regression equation there was ŷ =90 – 4x.

a. Show the 90% confidence interval estimate of the “population” intercept, . Interpret your interval.

b. Show the 90% confidence interval estimate of the “population” slope, . Interpret your interval.

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