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QUESTION 36 In regression analysis, an outlier is an observation whose O a. mean is larger than the standard deviation. b. residual is zero. c. mean is zero. d. residual is much larger than the rest of the residual values.

QUESTION 36 In regression analysis, an outlier is an observation whose O a. mean is larger than the standard deviation. b. residual is zero. c. mean is zero. d. residual is much larger than the rest of the residual values.

MATLAB: An Introduction with Applications
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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**Question 36** In regression analysis, an outlier is an observation whose ○ a. mean is larger than the standard deviation. ○ b. residual is zero. ○ c. mean is zero. ○ d. residual is much larger than the rest of the residual values. **Question 37** A variable that takes on the values of 0 or 1 and is used to incorporate the effect of categorical variables in regression analysis is called: ○ a. an interaction. ○ b. a constant variable. ○ c. a dummy variable. ○ d. a logit variable. **Question 38 (Partially visible)** In a multiple regression model, the error term ε is assumed to be a random variable with a mean... ○ a. zero. ○ b. -1. ○ c. 1. (Note: Full content of Question 38 is not entirely visible.)
Transcribed Image Text:**Question 36** In regression analysis, an outlier is an observation whose ○ a. mean is larger than the standard deviation. ○ b. residual is zero. ○ c. mean is zero. ○ d. residual is much larger than the rest of the residual values. **Question 37** A variable that takes on the values of 0 or 1 and is used to incorporate the effect of categorical variables in regression analysis is called: ○ a. an interaction. ○ b. a constant variable. ○ c. a dummy variable. ○ d. a logit variable. **Question 38 (Partially visible)** In a multiple regression model, the error term ε is assumed to be a random variable with a mean... ○ a. zero. ○ b. -1. ○ c. 1. (Note: Full content of Question 38 is not entirely visible.)
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