Hor Yan
Using Excel's regression ...
Y = Selling price (000's)
X = age
Y = 14.90865615 -0.450932568(X)
(b)Estimate the selling price of a 11-year-old car (in $000). (Round your answer to 3 decimal places.)
Selling price: Y(11) = 14.90865615 -0.450932568(11) = $9.948
(c)Interpret the regression equation (in dollars). (Round your answer to nearest dollar amount.)
$9,948 after converting from (000's)
For each additional year, the car decreases $ ???? ???? in value.
Yes each additional year will decrease by $0.450932568 or $451 after converting from (000's)
Hope that helped

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Answer #1| 23/12 2013 09:5850 %