5.75 6.25 7.25 8.25 9.25 y 22 18 78 67 95 What percentage of the variation in y cannot be explained by the corresponding variation in x and the least-squares line? O 0.9% 18.2% 9.6% O 90.4% O 3.3%
5.75 6.25 7.25 8.25 9.25 y 22 18 78 67 95 What percentage of the variation in y cannot be explained by the corresponding variation in x and the least-squares line? O 0.9% 18.2% 9.6% O 90.4% O 3.3%
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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Transcribed Image Text:Question 13
5/ 5 pts
It is thought that prehistoric Indians did not take their best tools, pottery, and household items
when they visited higher elevations for their summer camps. It is hypothesized that
archaeological sites tend to lose their cultural identity and specific cultural affiliation as the
elevation of the site increases. Let x be the elevation (in thousands of feet) for an
archaeological site in the southwestern United States. Let y be the percentage of unidentified
artifacts (no specific cultural affiliation) at a given elevation. Suppose that the following data
were obtained for a collection of archaeological sites in New Mexico:
5.75
6.25
7.25
8.25 9.25
22
18
78
67
95
What percentage of the variation in y cannot be explained by the corresponding variation in x
and the least-squares line?
O 0.9%
Correct!
18.2%
O 9.6%
90.4%
O 3.3%
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