9 which of the following is not a good reason for

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Essentials of Business Analytics
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Chapter 2 / Exercise 24
Essentials of Business Analytics
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9. Which of the following is NOT a good reason for including a disturbance term in a regression equation? (a) It captures omitted determinants of the dependent variable (b) To allow for the non-zero mean of the dependent variable (c) To allow for errors in the measurement of the dependent variable (d) To allow for random influences on the dependent variable
10. Which of the following is NOT correct with regard to the p -value attached to a test statistic?
11. Which one of the following is NOT an assumption of the classical linear regression model?
12. Which of the following is the most accurate definition of the term “the OLS estimator”?
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Essentials of Business Analytics
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Chapter 2 / Exercise 24
Essentials of Business Analytics
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13. Two researchers have identical models, data, coefficients and standard error estimates. They test the same hypothesis using a two-sided alternative, but researcher 1 uses a 5% size of test while researcher 2 uses a 10% test. Which one of the following statements is correct? (e) Researcher 2 will use a larger critical value from the t -tables (f) Researcher 2 will have a higher probability of type I error (g) Researcher 1 will be more likely to reject the null hypothesis (h) Both researchers will always reach the same conclusion.
14. Consider an increase in the size of the test used to examine a hypothesis from 5% to 10%. Which one of the following would be an implication?
15. What is the relationship, if any, between the normal and t -distributions?
Chapter 3 2. Consider a standard normally distributed variable, a t -distributed variable with degrees of freedom, and an F -distributed variable with (1, d ) degrees of freedom. d

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