Answered: It is thought that prehistoric Indians…

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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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	5.75	6.25	6.75	7.75	8.25
y	31	26	38	74	72

Find the value of the coefficient of determination r².

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In this case, elevation (x) is the independent variable and percentage of unidentified artifacts (y), is the dependent variable.

The data inserted in EXCEL is defined below:

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