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:
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:
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Transcribed Image Text: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:
x 6.00 6.50 6.75 7.50 8.00
y 9
26 55 62
77
Find the value of the coefficient of determination r2 given that r=0.946, x=6.95,
y = 45.8, and y=-182.324+32.824x.
0.896
0.946
0.054
-0.054
-0.896
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