Data for age (in years) and price (in hundreds of dollars) for aparticular brand of car are provided in the accompanying datatable. Presume that the assumptions for regression inferences havebeen met. Complete parts (a) through (d) below using the givendata.
X (age) 6, 6, 6, 2, 2, 5, 4, 5, 1, 4
Y (price) 289, 280, 293, 428, 382, 315, 355, 326, 423, 322
A) Obtain a point estimate for the mean price of all 3-year oldcars of this brand.
B) Determine a 90% confidence interval for the mean price of all3-year old cars of this brand.
C) Find the predicted price of a 3-year old car of thisbrand.
D) Determine a 90% prediction interval for the price of a 3-yearold car of this brand.
