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ISYE 6414 - Unit 3 Part 2 Exam 2025 Questions and Answer
ISYE 6414 - Unit 3 Part 2 Exam 2025 Questions and Answer
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ISYE 6414
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ISYE 6414
ISYE 6414 - Unit 3 Part 2 Exam 2025 Questions and Answer
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| Uploaded on: | September 14, 2025 |
| Last updated: | September 15, 2025 |
| Number of pages: | 8 |
| Written in: | 2025/2026 |
| Type: | Exam (elaborations) |
| Contains: | Questions & Answers |
| Tags: | ISYE 6414 - Unit 3 Part 2 Exam 2025 Questions and Answer |
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ISYE 6414 - Unit 3 Part 2 Exam 2025 Questions and Answers What are the 4 assumptions of MLR? - --CORRECT ANSWER--Linearity, Constant Variance, Independence, Normality Do the estimated residuals have constant variance? - --CORRECT ANSWER--No Do the error terms have constant variance? - --CORRECT ANSWER--Yes To use the estimated residuals for assessing model assumptions, what do we need to do first? - --CORRECT ANSWER--We need to standardize them Plotting the residuals versus each predictor checks for which assumption? - -CORRECT ANSWER--Linearity Plotting the residuals versus fitted values checks for which assumption? - -CORRECT ANSWER--Constant variance & Independence What does the QQ plot and histogram check for? - --CORRECT ANSWER-Normality Do we evaluate normality using residuals or the response variable? - --CORRECT ANSWER--residuals ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
