gamergladiator43
11.12.2019 •
Mathematics
The owner of maumee ford-mercury-volvo wants to study the relationship between the age of a car and its selling price. listed below is a random sample of 12 used cars sold at the dealership during the last year.
car age selling price car age selling price
1 9 8.1 7 8 7.6
2 7 6.0 8 11 8.0
3 11 3.6 9 10 8.0
4 12 4.0 10 12 6.0
5 8 5.0 11 6 8.6
6 7 10.0 12 6 8.0
a. determine the regression equation.
a)
b)
b. estimate the selling price of a 10-year old car (in $000).
c. interpret the regression equation in dollars.
for each additional year, the car decreases $ in value
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Ответ:
23
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