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scatterplot of y vs. X

scatterplot of y vs. X

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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Suppose the original scatterplot of y vs. x looks like the graph below. Note that the slope of the simple linear regression line for these points is 0. y vs. x 6 5 4 2 1 1 7 (a) If an extra point (illustrated in red) is added to the data (see the scatterplot below), then what is the approximate value of the slope of the line with this additional point? y vs. x 6 5 4 2 1 6. O 0.00 O 0.05 O -0.20
Transcribed Image Text:Suppose the original scatterplot of y vs. x looks like the graph below. Note that the slope of the simple linear regression line for these points is 0. y vs. x 6 5 4 2 1 1 7 (a) If an extra point (illustrated in red) is added to the data (see the scatterplot below), then what is the approximate value of the slope of the line with this additional point? y vs. x 6 5 4 2 1 6. O 0.00 O 0.05 O -0.20
y vs. x 7 4 2 1 6 O 0.00 O 0.05 O -0.20 O 0.84 O -0.40 (c) If an extra point (illustrated in red) is added to the data (see the scatterplot below), then what is the approximate value of the slope of the line with this additional point? y vs. x 5 4 3
Transcribed Image Text:y vs. x 7 4 2 1 6 O 0.00 O 0.05 O -0.20 O 0.84 O -0.40 (c) If an extra point (illustrated in red) is added to the data (see the scatterplot below), then what is the approximate value of the slope of the line with this additional point? y vs. x 5 4 3
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