The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by a certain magazine. The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores range from 0 (lowest) to 100 (highest). The estimated regression equation for these data is ŷ = 21.387960 + 0.336120x, where x = price ($) and y = overall score. Brand Price ($) Score A 180 78 B 150 71 C 95 63 D 70 54 E 70 38 F 35 26 a. compute SST= SSR= SSE= b. Compute the coefficient of determination r2. r2 = c. What is the value of the sample correlation coefficient? (Round your answer to three decimal places.)
The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by a certain magazine. 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 = 21.387960 + 0.336120x, where x = price ($) and y = overall score. Brand Price ($) Score A 180 78 B 150 71 C 95 63 D 70 54 E 70 38 F 35 26 a. compute SST= SSR= SSE= b. Compute the coefficient of determination r2. r2 = c. What is the value of the sample correlation coefficient? (Round your answer to three decimal places.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
The following data show the brand, price ($), and the overall score for six stereo headphones that were tested by a certain magazine. The overall score is based on sound quality and effectiveness of ambient noise reduction. Scores
ŷ = 21.387960 + 0.336120x,
where x = price ($) and y = overall score.
| Brand | Price ($) | Score |
|---|---|---|
| A | 180 | 78 |
| B | 150 | 71 |
| C | 95 | 63 |
| D | 70 | 54 |
| E | 70 | 38 |
| F | 35 | 26 |
a. compute
SST=
SSR=
SSE=
b. Compute the coefficient of determination r2.
r2 =
c. What is the value of the sample
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