PC Magazine provided ratings for several characteristics of computer monitors, including an overall rating (PC Magazine website, April, 2015). The following data show the rating for contrast ratio, resolution, and the overall rating for ten monitors tested using a 0-100 point scale. The highest rated monitor was the BenQ BL3201PH, with an overall rating of 87. Model Contrast Resolution Overall Rating Ratio 78 BenQ BL3201PH AOC U2868PQU NEC MultiSync PA322UHD 89 87 98 87 86 84 82 85 Acer XB280HK 78 79 82 Asus ROG Swift PG278Q 65 80 82 AOC E1759Fwu 57 78 82 Dell UltraSharp UZ2715H 56 83 80 NEC MultiSync EA244UHD 77 72 79 HP DreamColor Z27x 47 81 78 Dell UltraSharp UZ2315H 55 70 76 a) Develop the estimated regression equation that can be used to predict the Overall Rating using the Contrast Ratio Rating. Add a plot that shows the estimated line along with all the sample data. b) Predict the Overall Rating for a computer monitor computer that has a Contrast Ratio Rating of 85. c) Use Minitab 19® to create both Confidence Interval and Prediction Interval plots, and provide the lower limits and upper limits of both C.I. and P.I. Clearly, distinguish between these two predictions. d) Develop the estimated regression equation that can be used to predict the Overall Rating using both the Contrast Ratio Rating and the Resolution Rating. e) Predict the Overall Rating for a computer monitor computer that has a Contrast Ratio Rating of 85 and a Resolution Rating of 74. f) Compare and contrast your findings in part (b) and (e), any comments?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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I want d), e), f)

Problem#3
All parts of this Problem must be done in Excel and then converted into the PDF file.
PC Magazine provided ratings for several characteristics of computer monitors, including an
overall rating (PC Magazine website, April, 2015). The following data show the rating for
contrast ratio, resolution, and the overall rating for ten monitors tested using a 0-100 point
scale. The highest rated monitor was the BenQ BL3201PH, with an overall rating of 87.
Model
Contrast
Resolution
Overall Rating
Ratio
BenQ BL3201PH
78
89
87
AOC U2868PQU
98
87
86
NEC MultiSync PA322UHD
84
82
85
Acer XB280HK
78
79
82
Asus ROG Swift PG278Q
65
80
82
AOC E1759Fwu
57
78
82
Dell UltraSharp UZ2715H
56
83
80
NEC MultiSync EA244UHD
77
72
79
HP DreamColor Z27x
47
81
78
Dell UltraSharp UZ2315H
55
70
76
a) Develop the estimated regression equation that can be used to predict the Overall Rating
using the Contrast Ratio Rating. Add a plot that shows the estimated line along with all
the sample data.
b) Predict the Overall Rating for a computer monitor computer that has a Contrast Ratio
Rating of 85.
c) Use Minitab 19® to create both Confidence Interval and Prediction Interval plots, and
provide the lower limits and upper limits of both C.I. and P.I. Clearly, distinguish
between these two predictions.
d) Develop the estimated regression equation that can be used to predict the Overall Rating
using both the Contrast Ratio Rating and the Resolution Rating.
e) Predict the Overall Rating for a computer monitor computer that has a Contrast Ratio
Rating of 85 and a Resolution Rating of 74.
f) Compare and contrast your findings in part (b) and (e), any comments?
Transcribed Image Text:Problem#3 All parts of this Problem must be done in Excel and then converted into the PDF file. PC Magazine provided ratings for several characteristics of computer monitors, including an overall rating (PC Magazine website, April, 2015). The following data show the rating for contrast ratio, resolution, and the overall rating for ten monitors tested using a 0-100 point scale. The highest rated monitor was the BenQ BL3201PH, with an overall rating of 87. Model Contrast Resolution Overall Rating Ratio BenQ BL3201PH 78 89 87 AOC U2868PQU 98 87 86 NEC MultiSync PA322UHD 84 82 85 Acer XB280HK 78 79 82 Asus ROG Swift PG278Q 65 80 82 AOC E1759Fwu 57 78 82 Dell UltraSharp UZ2715H 56 83 80 NEC MultiSync EA244UHD 77 72 79 HP DreamColor Z27x 47 81 78 Dell UltraSharp UZ2315H 55 70 76 a) Develop the estimated regression equation that can be used to predict the Overall Rating using the Contrast Ratio Rating. Add a plot that shows the estimated line along with all the sample data. b) Predict the Overall Rating for a computer monitor computer that has a Contrast Ratio Rating of 85. c) Use Minitab 19® to create both Confidence Interval and Prediction Interval plots, and provide the lower limits and upper limits of both C.I. and P.I. Clearly, distinguish between these two predictions. d) Develop the estimated regression equation that can be used to predict the Overall Rating using both the Contrast Ratio Rating and the Resolution Rating. e) Predict the Overall Rating for a computer monitor computer that has a Contrast Ratio Rating of 85 and a Resolution Rating of 74. f) Compare and contrast your findings in part (b) and (e), any comments?
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