MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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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