The following data
show the brand, price ($), and the overall score for 6 stereo
headphones that were tested by Consumer Reports. The overall score
is based on sound quality and effectiveness of ambient noise
reduction. Scores range from 0 (lowest) to 100 (highest). The
estimated regression equation for these data is ŷ = 25.854 +
0.291x, where x = price ($) and y = overall score.
Round your answers to three decimal places. a. Compute SST, SSR, and SSE.
b. Compute the coefficient of determination r^{2}. Comment on the goodness of fit. r^{2} = c. What is the value of the sample correlation coefficient? r = |
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