**Residual Plot Analysis****Question:** Does the following residual plot indicate any violation of the regression assumptions? If so, which one?**Graph Description:**- **X-axis:** Predicted y values- **Y-axis:** Residual- The plot shows red dots scattered across the graph.- There appears to be a pattern or curve in the data points rather than a random scatter.**Options:**- a. Zero-mean- b. Constant variance- c. Independence- d. No violation**Explanation:** The residual plot is used to diagnose violations of regression assumptions. Ideally, residuals should be randomly distributed with no discernible pattern, indicating that the model conforms to assumptions such as linearity, constant variance, and independence. If a pattern like a curve or trend is present, it may suggest a violation such as non-linearity or heteroscedasticity (violation of constant variance).

Given:The residual plot displayed shows the residuals (differences between observed and predicted…

Answered: Does the following residual plot…

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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Interpret the following graphs for multiple linear regression and comment on the validity of model assumptions
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Does the following residual plot indicate any violation of the regression assumptions? If so, which one? Residual Select one: Predicted y values a. Zero-mean O b. Constant variance c. Independence O d. No violation