Câu hỏi: 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
Câu 1: 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 2: Which of the following statements is correct concerning the conditions required for OLS to be a usable estimation technique?
A. The model must be linear in the parameters
B. The model must be linear in the variables
C. The model must be linear in the variables and the parameters
D. The model must be linear in the residuals
30/08/2021 7 Lượt xem
Câu 3: 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 4: Which of the following would NOT be a potential remedy for the problem of multicollinearity between regressors?
A. Removing one of the explanatory variables
B. Transforming the data into logarithms
C. Transforming two of the explanatory variables into ratios
D. Collecting higher frequency data on all of the variables
30/08/2021 9 Lượt xem
Câu 5: 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 6: What is the relationship, if any, between t-distributed and F-distributed random variables?
A. A t-variate with z degrees of freedom is also an F(1, z)
B. The square of a t-variate with z degrees of freedom is also an F(1, z)
C. A t-variate with z degrees of freedom is also an F(z, 1)
D. There is no relationship between the two distributions
30/08/2021 8 Lượt xem
Câu hỏi trong đề: Bộ câu hỏi trắc nghiệm môn Kinh tế lượng - Phần 4
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