Question

In: Statistics and Probability

The owner of Maumee Ford-Mercury-Volvo wants to study the relationship between the age of a car...

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 (years) Selling price

1 9 11.6

2 5 10.0

3 12 3.2

4 15 3.7

5 7 7.0

6 6 12.5

7 8 7.8

8 13 8.4

9 12 8.4

10 15 4.8

11 4 9.2

12    4 7.3

a) Determine regression equation?

a=   

b=

b) Estimate the selling price for 8 years old car

c) Interpret the regression equation

There is way to find in excel formula to find the regression equation please help me on that

Solutions

Expert Solution

The regression equation is found using excel and the results are as follows.


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