How well does a cars age predict its resale value?Below is sample date for a particular make and model of vehicle, comparing its age (in years) to its resale value.Based on the data , answer the questions below:

Age (years) Price ($)

9 10200

6 7000

3 10200

3 17200

10 7800

7 8000

3 12200

5 15800

2 18600

5 17800

4 10200

6 7400

4 15800

9 4200

6 7400

5 11400

7 8000

11 4400

8 3200

2 19600

1) What is the value of the correlation coefficient?(CAREFUL:EXCEL'S REGRESSION FUNCTION WILL NOT LET YOU KNOW WHETHER OR NOT THIS VALUE IS NEGATIVE)(ANSWER TO 2 DECIMAL PLACES)

2) What is the value of the coefficient of determination?(ANSWER TO 2 DECIMAL PLACES)

3) State the estimated regression equation.(ANSWER ONLY THE VALUE AFTER THE EQUAL SIGN WITH VARIABLES TO 0 DECIMAL PLACES.FOR EXAMPLE IF THE EQUATION IS: y = 12,345.67x + 98,765.43...YOUR ANSWER IS: 12,346x + 98,765)

4) Predict the resale value of a vehicle that is 7 years old.(ANSWER TO 0 DECIMAL PLACES...INCLUDE UNITS WITH ANSWER)