(d) Find and interpret a 90%, confidence interval for the slope of the population regression line.(e) Find a 90% confidence interval for expected purchases per buyer for a vintage for which thebuyer a rating is 2.0.(f) Test at 5% level of significance whether there is a significant linear between purchases perbuyer and the buyer's rating. QUESTION THREEThe following table shows, for eight vintages of select wine, purchases per buyer (y) and thebuyer's rating in a year (x):X3.63.23.16.04.12.53.05.12022231728252028Y

In this case, regression is employed to estimate the linear relationship between purchases per buyer…

Answered: QUESTION THREE The following table…

A First Course in Probability (10th Edition)

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QUESTION THREE The following table shows, for eight vintages of select wine, purchases per buyer (y) and the buyer's rating in a year (x): X 3.6 3.2 3.1 6.0 4.1 2.5 3.0 5.1 20 22 23 17 28 25 20 28 Y