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...


The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by Consumer Reports (Consumer Reports<br>website). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (Ilowest) to 100 (highest). The<br>estimated regression equation for these data is ŷ = 20.2301 + 0.3477x , where a<br>price ($) and y = overall score.<br>%3D<br>Brand<br>Price ($)<br>Score<br>Bose<br>170<br>76<br>Scullcandy<br>150<br>71<br>Koss<br>95<br>62<br>Phillips/O'Neill<br>70<br>56<br>Denon<br>60<br>40<br>JVC<br>55<br>25<br>a. Compute SST, SSR, and SSE (to 3 decimals).<br>SST =<br>SSR =<br>SSE =<br>%3D<br>b. Compute the coefficient of determination r (to 3 decimals).<br>Comment on the goodness of fit. Hint: If r is greater than 0.70, the estimated regression equation provides a good fit.<br>The least squares line - Select your answer-<br>v a good fit as<br>Select your answer -<br>proportion of the variability in y has been explained by the least squares<br>line.<br>c. What is the value of the sample correlation coefficient (to 3 decimals)?<br>Txy =<br>

Extracted text: The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by Consumer Reports (Consumer Reports website). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (Ilowest) to 100 (highest). The estimated regression equation for these data is ŷ = 20.2301 + 0.3477x , where a price ($) and y = overall score. %3D Brand Price ($) Score Bose 170 76 Scullcandy 150 71 Koss 95 62 Phillips/O'Neill 70 56 Denon 60 40 JVC 55 25 a. Compute SST, SSR, and SSE (to 3 decimals). SST = SSR = SSE = %3D b. Compute the coefficient of determination r (to 3 decimals). Comment on the goodness of fit. Hint: If r is greater than 0.70, the estimated regression equation provides a good fit. The least squares line - Select your answer- v a good fit as Select your answer - proportion of the variability in y has been explained by the least squares line. c. What is the value of the sample correlation coefficient (to 3 decimals)? Txy =

Jun 02, 2022
SOLUTION.PDF

Get Answer To This Question

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here