PC Magazine provided ratings for several characteristics of computer monitors, including an overall rating.† 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 Ratio Resolution Overall Rating BenQ BL3201PH 78 89 87 AOC U2868PQU 98 87 86 NEC MultiSync PA322UHD 84 82 85 Acer XB280HK 78 77 82 Asus ROG Swift PG278Q 65 82 82 AOC E1759Fwu 57 78 82 Dell UltraSharp UZ2715H 56 83 81 NEC MultiSync EA244UHD 77 75 79 HP DreamColor Z27x 47 81 77 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. (Round your numerical values to two decimal places. Let x1 represent the contrast ratio rating and y represent the overall rating.) ŷ = (b) Develop the estimated regression equation that can be used to predict the overall rating using both the contrast ratio rating and the resolution rating. (Round your numerical values to two decimal places. Let x1 represent the contrast ratio rating, x2 represent the resolution rating, and y represent the overall rating.) ŷ = (c) Predict the overall rating for a computer monitor computer that has a contrast ratio rating of 83 and a resolution rating of 72. (Round your answer to the nearest integer.)

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Uploaded: 2024-03-20T07:06:16.000Z
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Description: PC Magazine provided ratings for several characteristics of computer monitors, including an overall rating.† The following data show the rating for contrast ratio, resolution, and the overall rating for ten monitors tested using a 0–100 point scale.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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PC Magazine provided ratings for several characteristics of computer monitors, including an overall rating.† 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 Ratio	Resolution	Overall Rating
BenQ BL3201PH	78	89	87
AOC U2868PQU	98	87	86
NEC MultiSync PA322UHD	84	82	85
Acer XB280HK	78	77	82
Asus ROG Swift PG278Q	65	82	82
AOC E1759Fwu	57	78	82
Dell UltraSharp UZ2715H	56	83	81
NEC MultiSync EA244UHD	77	75	79
HP DreamColor Z27x	47	81	77
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. (Round your numerical values to two decimal places. Let x₁ represent the contrast ratio rating and y represent the overall rating.)

ŷ =

(b) Develop the estimated regression equation that can be used to predict the overall rating using both the contrast ratio rating and the resolution rating. (Round your numerical values to two decimal places. Let x₁ represent the contrast ratio rating, x₂ represent the resolution rating, and y represent the overall rating.)

ŷ =

(c) Predict the overall rating for a computer monitor computer that has a contrast ratio rating of 83 and a resolution rating of 72. (Round your answer to the nearest integer.)

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