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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
12.42  Consider the following prices and accuracy ratings for 27 stereo speakers. (a) Make a scatter plot of accuracy rating as a function of price. (b) Calculate the correlation coefficient. At α = .05, does the correlation differ from zero? (c) In your own words, describe the scatter plot. (Data are from
Consumer Reports 68, no. 11 [November 2003], p. 31. Data are intended for statistical education and not as a guide to speaker performance.)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Speakers
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|
Sony SS-MB350H |
Shelf |
100 |
92 |
|
Sony SS-MF750H |
Floor |
280 |
91 |
|
Sony SS-X30ED |
Shelf |
500 |
83 |
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