The scatterplot below shows the relationship between two random variables X and Y.(d). Based on (b) draw your best approximation to the least squares regression line that fits the data above. Also, make a rough sketch of the corresponding residual plot. (The sketches do not have to be beautiful but they have to covey the correct information.) --> Please solve only this question #D(b) Regardless of your answer to part (a), suppose you calculated the sample correlation between X and Y and found that r = -0.15. Explain in one sentence what this means. eDrawInsert* A(BFontVDesign>> Tell meParagraphT4 5 63A2StylesThe scatterplot below shows the relationship between two random variables X and Y.V0000Dictate188go2ShareXEditor0 03OEditingComments(a) Is the correlation a good metric for describing the relationship between X and Y for these data? Why or why not?(b) Regardless of your answer to part (a), suppose you calculated the sample correlation between X and Y and foundthat r = -0.15. Explain in one sentence what this means.(c) If, as noted in (b), r = -0.15 then what is the value of the correlation between 2X and 5Y?

These are some properties of the correlation coefficient: 1. The value of r is always lie in between…

Answered: The scatterplot below shows the…

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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The scatterplot below shows the relationship between two random variables X and Y.

(d). Based on (b) draw your best approximation to the least squares regression line that fits the data above. Also, make a rough sketch of the corresponding residual plot. (The sketches do not have to be beautiful but they have to covey the correct information.) --> Please solve only this question #D

(b) Regardless of your answer to part (a), suppose you calculated the sample correlation between X and Y and found that r = -0.15. Explain in one sentence what this means.