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
Chọn đáp án: B
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?
Which of the following is a correct interpretation of a “95% confidence interval” for a regression parameter?
Which of the following statements is correct concerning the conditions required for OLS to be a usable estimation technique?
Which of the following is the most accurate definition of the term “the OLS estimator”?
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The type I error associated with testing a hypothesis is equal to:
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Which of the following is NOT a good reason for including lagged variables in a regression?
Which of the following is NOT a good reason for including a disturbance term in a regression equation?