1 15pts The Following Data Show The Brand Price And The Overall Score For Six Stereo Headphones That Were Teste 1 (39.97 KiB) Viewed 27 times
1 15pts The Following Data Show The Brand Price And The Overall Score For Six Stereo Headphones That Were Teste 2 (11.56 KiB) Viewed 27 times
1. (15pts) The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by Consumer Reports (Consumer Reports website, March 5, 2012). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowest) to 100 (highest). The estimated regression equation for these data is ŷ = 23.194 + 0.318x, where x-price (S) and y=overall score. Brand Price ($) Score Bose 180 76 Skullcandy 150 71 Koss 95 61 Phillips 70 56 Denon 70 40 JVC 35 26
a. Compute SST, SSR, and SSE. b. Compute the coefficient of determination r2. Comment on the goodness of fit. c. What is the value of the sample correlation coefficient?
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