The owner of Maumee Ford-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 ($000)   1       11       12.2     2       8       11.0     3       16       4.9     4       18       4.1     5       9       6.7     6       8       13.6     7       10       11.1     8       16       9.0     9       14       9.0     10       18       4.2     11       6       12.1     12       6       10.4            Click here for the Excel Data File a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) b. Estimate the selling price of an 7-year-old car (in $000). (Round your answer to 3 decimal places.)   c. Interpret the regression equation (in dollars). (Round your answer to the nearest dollar amount.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
icon
Related questions
Question

The owner of Maumee Ford-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 ($000)
  1       11       12.2  
  2       8       11.0  
  3       16       4.9  
  4       18       4.1  
  5       9       6.7  
  6       8       13.6  
  7       10       11.1  
  8       16       9.0  
  9       14       9.0  
  10       18       4.2  
  11       6       12.1  
  12       6       10.4  
 

 

 

 

 Click here for the Excel Data File

a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)
b. Estimate the selling price of an 7-year-old car (in $000). (Round your answer to 3 decimal places.)

 



c. Interpret the regression equation (in dollars). (Round your answer to the nearest dollar amount.)

Help
 
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt