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: x5.256.006.507.257.75y1024607379At an archaeological site with elevation 6.75 (thousand feet), what does the least-squares equation forecast for the percentage of culturally unidentified artifacts? Round your answer to the nearest tenth of a percent.Group of answer choices67.2%47.7%30.0%55.1% It is thought that prehistoric Indians did not take their best tools, pottery, and household items when theyvisited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose theircultural identity and specific cultural affiliation as the elevation of the site increases. Let x be the elevation (inthousands of feet) for an archaeological site in the southwestern United States. Let y be the percentage ofunidentified artifacts (no specific cultural affiliation) at a given elevation. Suppose that the following datawere obtained for a collection of archaeological sites in New Mexico:y5.25 6.00 6.50 7.25 7.751067.2%At an archaeological site with elevation 6.75 (thousand feet), what does the least-squares equation forecastfor the percentage of culturally unidentified artifacts? Round your answer to the nearest tenth of a percent.47.7%30.0%2455.1%60 73 79

Linear regression model consist of one dependent variable and one independent variable.

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 23PPS

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Question

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	5.25	6.00	6.50	7.25	7.75
y	10	24	60	73	79

At an archaeological site with elevation 6.75 (thousand feet), what does the least-squares equation forecast for the percentage of culturally unidentified artifacts? Round your answer to the nearest tenth of a percent.

Group of answer choices

67.2%

47.7%

30.0%

55.1%