Questions Exercise 14.18 Algo (Coefficient of Determination) 1 2. 3. 4. 5. 6. O ● ● ● a. Compute SST, SSR, and SSE (to 3 decimals). The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by Consumer Reports (Consumer Reports website). The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowest) to 100 (highest). The estimated regression equation for these data is = 23.2642 +0.3174z, where z = price ($) and y = overall score. Brand Bose Scullcandy SST => SSR= Koss هر Phillips/O'Neill Denon JVC SSE = b. Compute the coefficient of determination 2 (to 3 decimals). Price ($) 170 160 85 70 60 55 Score 0 75 7 1 6 40 26 72 61 Question 3 of 6 > 56 4 Check My Work 72 = Comment on the goodness of fit. Hint: If r² is greater than 0.70, the estimated regression equation provides a good fit. The least squares line - Select your answer 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 ==

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Q: Simplify

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A: Please find the explanation below. Thank you

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