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Eighteen pairs of measurements were taken at random to estimate the relation between variables X and Y. A least-squares line was fitted to the collected data. The Residuals 1,000 500 0 -500 -1,000 0 50 100 X O The variables X and Y are not related at all. 150 Which of the following conclusions is appropriate? The assumption of the Law of Averages has been violated. 200 ܀ A line is an appropriate model to describe the relation between X and Y. 250

Eighteen pairs of measurements were taken at random to estimate the relation between variables X and Y. A least-squares line was fitted to the collected data. The Residuals 1,000 500 0 -500 -1,000 0 50 100 X O The variables X and Y are not related at all. 150 Which of the following conclusions is appropriate? The assumption of the Law of Averages has been violated. 200 ܀ A line is an appropriate model to describe the relation between X and Y. 250

MATLAB: An Introduction with Applications
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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Eighteen pairs of measurements were taken at random to estimate the relation between variables X and Y. A least-squares line was fitted to the collected data. The resulting residual plot is shown. Residuals 1,000 500 0 -500 -1,000 0 50 100 Which of the following conclusions is appropriate? OA line is an O The variables X and Y are not related at all. X The assumption of the Law of Averages has been violated. 150 200 : propriate model to describe the relation between X and Y. A line is not an appropriate model to describe the relation between X and Y. 250
Transcribed Image Text:Eighteen pairs of measurements were taken at random to estimate the relation between variables X and Y. A least-squares line was fitted to the collected data. The resulting residual plot is shown. Residuals 1,000 500 0 -500 -1,000 0 50 100 Which of the following conclusions is appropriate? OA line is an O The variables X and Y are not related at all. X The assumption of the Law of Averages has been violated. 150 200 : propriate model to describe the relation between X and Y. A line is not an appropriate model to describe the relation between X and Y. 250
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