There are four conditions that should be at least approximately true for linear regression. A QQ plot of the residuals can be used to check which of the following conditions:1. The distribution of the values of y at each value of x should be normal AND there should be no extreme outliers2. A straight line is the best model to describe the association between x and y, AND the variance of the values of y at each value of x should be the same 3. The distribution of the values of y at each value of x should be normal AND a straight line is the best model to describe the association between x and y

Solution: A QQ plot of residuals : A qq plot of residuals is graphical analysis technique it is a…

Answered: here are four conditions that should be…

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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There are four conditions that should be at least approximately true for linear regression.

A QQ plot of the residuals can be used to check which of the following conditions:

1. The distribution of the values of y at each value of x should be normal AND there should be no extreme outliers

A straight line is the best model to describe the association between x and y, AND the variance of the values of y at each value of x should be the same

3. The distribution of the values of y at each value of x should be normal AND a straight line is the best model to describe the association between x and y

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