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Regression Lecture 3 Quiz (Questions with Verified Answers) University of Illinois, Chicago IDS 371 $8.99   Add to cart

Exam (elaborations)

Regression Lecture 3 Quiz (Questions with Verified Answers) University of Illinois, Chicago IDS 371

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Question 1 To interpret the slope of multiple explanatory variables after removing the affect of scale we use Selected Answer: Standardized coefficients Answers: Unstandardized coefficients Standardized coefficients The p­value Question 2 In the example, why did it appear that high school ...

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  • February 11, 2023
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Question 1 10 out of 10 points
To interpret the slope of multiple explanatory variables after removing
the affect of scale we use

Selected Answer: Standardized coefficients


Answers: Unstandardized coefficients

Standardized coefficients


The p­value




Question 2 10 out of 10 points
In the example, why did it appear that high school english had greater
impact on GPA for freshman computer science students vs. SATM

Selected Answer: Both answers are correct


Answers: The scale for high school english was much smaller


The scale for SATM was much larger


Both answers are correct




Question 3 10 out of 10 points
If we have a regression with multiple explanatory variables

Selected
Answer: There are separate tests for the individual explanatory variables
and one global test for the overall regression model

Answers: The hypothesis test for any of the individual explanatory
variables is the same as the test for the overall model



There are separate tests for the individual explanatory variables
and one global test for the overall regression model




Question 4 10 out of 10 points
In regression notation, what does p stand for?

Selected Answer: Number of explanatory variables
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