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ECS3706 ASSESSMENT 1 SEM 2 OF 2024 EXPECTED QUESTIONS AND ANSWERS R100,00   Add to cart

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ECS3706 ASSESSMENT 1 SEM 2 OF 2024 EXPECTED QUESTIONS AND ANSWERS

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THIS DOCUMENT CONTAINS ECS3706 ASSESSMENT 1 SEM 2 OF 2024 EXPECTED QUESTIONS AND ANSWERS. USE IT AS A GUIDE TO HELP YOU SCORE ABOVE 75%

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  • August 21, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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Question 1
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Which of the following statements about the residual in the context of regression analysis is/are
correct?
a It is the slope of the regression equation
b It is the correlation coefficient
c It is the difference between the observed and predicted values of the dependent
variable




1. a

2. a and b
3. a, b and c

4. c

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Question 2
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Which of the following indicates a good fit of the model in multiple regression analysis?


a A high standard error of the estimate
b A high R2 value
c A small sample size



1. b

2. a and b
3. c

, 4. a

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Which of the following statements is/are correct? The OLS formulae for deriving estimates
of the coefficients of are:




1. a
2. a and b

3. a, b and c
4. b and c

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Question 4
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Which of the following statements is/are correct?

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