#1 Problem 11 [page 620] To help consumers in purchasing a laptop computer, Consumer Reports calculates an overall test score for each computer tested based upon rating factors such as ergonomics, portability, performance, display, and battery life. Higher overall scores indicate better test results. The following data show the average retail price and the overall score for ten 13-inch models. Brand & Model Price ($)Overall Score Samsung Ultrabook NP900X3C-A01US Apple MacBook Air MC965LL/A Apple MacBook Air MD231LL/A HP ENVY 13-2050nr Spectre XT Sony VAIO SVS13112FXB Acer Aspire S5-391-9880 Ultrabook 1250 83 1300 83 1200 82 950 79 800 77 1200 74 Apple MacBook Pro MD101LL/A Apple MacBook Pro MD313LL/A Dell Inspiron I13Z-6591SLV Samsung NP535U3C-A01US 1200 74 1000 73 700 67 600 63 a. Use the least squares method to develop the estimated regression equation (by Hand calculations). b. Another laptop that Consumer Reports tested is the Acer Aspire S3-951-6646 Ultrabook; the price for this laptop was $700. Predict the overall score for this laptop using the estimated regression equation developed in part (a).
#1 Problem 11 [page 620] To help consumers in purchasing a laptop computer, Consumer Reports calculates an overall test score for each computer tested based upon rating factors such as ergonomics, portability, performance, display, and battery life. Higher overall scores indicate better test results. The following data show the average retail price and the overall score for ten 13-inch models. Brand & Model Price ($)Overall Score Samsung Ultrabook NP900X3C-A01US Apple MacBook Air MC965LL/A Apple MacBook Air MD231LL/A HP ENVY 13-2050nr Spectre XT Sony VAIO SVS13112FXB Acer Aspire S5-391-9880 Ultrabook 1250 83 1300 83 1200 82 950 79 800 77 1200 74 Apple MacBook Pro MD101LL/A Apple MacBook Pro MD313LL/A Dell Inspiron I13Z-6591SLV Samsung NP535U3C-A01US 1200 74 1000 73 700 67 600 63 a. Use the least squares method to develop the estimated regression equation (by Hand calculations). b. Another laptop that Consumer Reports tested is the Acer Aspire S3-951-6646 Ultrabook; the price for this laptop was $700. Predict the overall score for this laptop using the estimated regression equation developed in part (a).
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 22EQ
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![Chapter 14
#1
Problem 11 [page 620]
To help consumers in purchasing a laptop computer,
Consumer Reports calculates an overall test score for each
computer tested based upon rating factors such as
ergonomics, portability, performance, display, and battery
life. Higher overall scores indicate better test results. The
following data show the average retail price and the overall
score for ten 13-inch models.
Brand & Model
Price ($)Overall Score
Samsung Ultrabook NP900X3C-A01US
Apple MacBook Air MC965LL/A
Apple MacBook Air MD231LL/A
HP ENVY 13-2050nr Spectre XT
Sony VAIO SVS13112FXB
Acer Aspire S5-391-9880 Ultrabook
Apple MacBook Pro MD101LL/A
Apple MacBook Pro MD313LL/A
1250
83
1300
83
1200
82
950
79
800
77
1200
74
1200
74
1000
73
Dell Inspiron I13Z-6591SLV
Samsung NP535U3C-A01US
700
67
600
63
Use the least squares method to develop the
estimated regression equation (by Hand
calculations).
a.
b. Another laptop that Consumer Reports tested is the
Acer Aspire S3-951-6646 Ultrabook; the price for
this laptop was $700. Predict the overall score for
this laptop using the estimated regression equation
developed in part (a).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0db8d8fc-1875-416a-b451-a3f92b8e7885%2Fa395d90a-d95e-47d5-a955-983a0bae995e%2Fsjdce8l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Chapter 14
#1
Problem 11 [page 620]
To help consumers in purchasing a laptop computer,
Consumer Reports calculates an overall test score for each
computer tested based upon rating factors such as
ergonomics, portability, performance, display, and battery
life. Higher overall scores indicate better test results. The
following data show the average retail price and the overall
score for ten 13-inch models.
Brand & Model
Price ($)Overall Score
Samsung Ultrabook NP900X3C-A01US
Apple MacBook Air MC965LL/A
Apple MacBook Air MD231LL/A
HP ENVY 13-2050nr Spectre XT
Sony VAIO SVS13112FXB
Acer Aspire S5-391-9880 Ultrabook
Apple MacBook Pro MD101LL/A
Apple MacBook Pro MD313LL/A
1250
83
1300
83
1200
82
950
79
800
77
1200
74
1200
74
1000
73
Dell Inspiron I13Z-6591SLV
Samsung NP535U3C-A01US
700
67
600
63
Use the least squares method to develop the
estimated regression equation (by Hand
calculations).
a.
b. Another laptop that Consumer Reports tested is the
Acer Aspire S3-951-6646 Ultrabook; the price for
this laptop was $700. Predict the overall score for
this laptop using the estimated regression equation
developed in part (a).
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