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.)
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
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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.)
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