Câu hỏi: Consider a standard normally distributed variable, a t-distributed variable with d degrees of freedom, and an F-distributed variable with (1, d) degrees of freedom. Which of the following statements is FALSE?
A. The standard normal is a special case of the t-distribution, the square of which is a special case of the F-distribution
B. Since the three distributions are related, the 5% critical values from each will be the same
C. Asymptotically, a given test conducted using any of the three distributions will lead to the same conclusion
D. The normal and t- distributions are symmetric about zero while the F- takes only positive values
Câu 1: Which one of the following is NOT an assumption of the classical linear regression model?
A. The explanatory variables are uncorrelated with the error terms
B. The disturbance terms have zero mean
C. The dependent variable is not correlated with the disturbance terms
D. The disturbance terms are independent of one another
30/08/2021 8 Lượt xem
Câu 2: Suppose that we wanted to sum the 2007 returns on ten shares to calculate the return on a portfolio over that year. What method of calculating the individual stock returns would enable us to do this?
A. Simple
B. Continuously compounded
C. Neither approach would allow us to do this validly
D. Either approach could be used and they would both give the same portfolio return
30/08/2021 9 Lượt xem
Câu 3: The numerical score assigned to the credit rating of a bond is best described as what type of number?
A. Continuous
B. Cardinal
C. Ordinal
D. Nominal
30/08/2021 10 Lượt xem
Câu 4: The type I error associated with testing a hypothesis is equal to:
A. One minus the type II error
B. The confidence level
C. The size of the test
D. The size of the sample
30/08/2021 8 Lượt xem
Câu 5: Which of the following is the correct value for?
A. 2.89
B. 1.30
C. 0.84
D. We cannot determine the value of from the information given in the question
30/08/2021 8 Lượt xem
Câu 6: What is the relationship, if any, between the normal and t-distributions?
A. A t-distribution with zero degrees of freedom is a normal
B. A t-distribution with one degree of freedom is a normal
C. A t-distribution with infinite degrees of freedom is a normal
D. There is no relationship between the two distributions
30/08/2021 9 Lượt xem
Câu hỏi trong đề: Bộ câu hỏi trắc nghiệm môn Kinh tế lượng - Phần 4
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