The following data show the brand, price ($), and the overall score for 6 stereo headphones that were tested by consumer reports (consumer reports website, march 5, 2012).
the overall score is based on sound quality and effectiveness of ambient noise reduction. scores range from 0 (lowest) to 100 (highest). the estimated regression equation for these data is = 23.194 + .318x, where x = price ($) and y = overall score.

a. compute sst, ssr, and sse (to 3 decimals).

sst
ssr
sse

b. compute the coefficient of determination r2. comment on the goodness of fit (to 2 decimals).

r2 =

c. what is the value of the sample correlation coefficient? (to 3 decimals)

r =