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Reports website). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowe 100 (highest). The estimated regression equation for these data is ŷ = 23.2545 +0.3175x, where a = price ($) and y = overall sco Score 76 72 62 57 30 33 Brand Bose Scullcandy Koss Phillips/O'Neill Price ($) 170 160 95 60 60 55 Denon JVC a. Compute SST, SSR, and SSE (to 3 decimals). SST = SSR = SSE = b. Compute the coefficient of determination ² (to 3 decimals). p² = | Comment on the goodness of fit. Hint: If ² is greater than 0.70, the estimated regression equation provides a good fit. The least squares line provided a small explained by the least squares line. c. What is the value of the sample correlation coefficient (to 3 decim Txy a good fit as proportion of the variability in y has been

Reports website). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowe 100 (highest). The estimated regression equation for these data is ŷ = 23.2545 +0.3175x, where a = price ($) and y = overall sco Score 76 72 62 57 30 33 Brand Bose Scullcandy Koss Phillips/O'Neill Price ($) 170 160 95 60 60 55 Denon JVC a. Compute SST, SSR, and SSE (to 3 decimals). SST = SSR = SSE = b. Compute the coefficient of determination ² (to 3 decimals). p² = | Comment on the goodness of fit. Hint: If ² is greater than 0.70, the estimated regression equation provides a good fit. The least squares line provided a small explained by the least squares line. c. What is the value of the sample correlation coefficient (to 3 decim Txy a good fit as proportion of the variability in y has been

MATLAB: An Introduction with Applications
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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The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by Consumer Reports (Consumer Reports website). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowest) to 100 (highest). The estimated regression equation for these data is û = 23.2545 +0.3175x, where = price ($) and y = overall score. Brand Bose Scullcandy Koss Phillips/O'Neill Denon JVC a. Compute SST, SSR, and SSE (to 3 decimals). Price ($) 170 160 95 60 60 55 Txy Score 76 SST = SSR = SSE = b. Compute the coefficient of determination ² (to 3 decimals). på = 72 62 57 30 33 Comment on the goodness of fit. Hint: If ² is greater than 0.70, the estimated regression equation provides a good fit. The least squares line provided a small explained by the least squares line. c. What is the value of the sample correlation coefficient (to 3 decimals)? a good fit as proportion of the variability in y has been
Transcribed Image Text:The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by Consumer Reports (Consumer Reports website). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowest) to 100 (highest). The estimated regression equation for these data is û = 23.2545 +0.3175x, where = price ($) and y = overall score. Brand Bose Scullcandy Koss Phillips/O'Neill Denon JVC a. Compute SST, SSR, and SSE (to 3 decimals). Price ($) 170 160 95 60 60 55 Txy Score 76 SST = SSR = SSE = b. Compute the coefficient of determination ² (to 3 decimals). på = 72 62 57 30 33 Comment on the goodness of fit. Hint: If ² is greater than 0.70, the estimated regression equation provides a good fit. The least squares line provided a small explained by the least squares line. c. What is the value of the sample correlation coefficient (to 3 decimals)? a good fit as proportion of the variability in y has been
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