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 y^= 25.2985 + .2970x where x= price ($) and y= overall score. Brand Price ($) Score Bose. 180 76 Scullcandy. 160 72 Koss 95 61 Phillips/O'Neill 70 57 Denon 60 30 JVC 35 34 a. Compute SST, SSR, and SSE (to 3decimals). SST = SSR = SSE = b. Compute the coefficient of determination r^2 (to 3 decimals). c. What is the value of the sample correlation coefficient (to 3 decimals)?