Econometrics Case
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Part I: Multiple Choice Questions (2 Points Each, 20 Points Total)
1) Most economic data are obtained
A) through randomized controlled experiments.
B) by calibration methods.
C) through textbook examples typically involving ten observation points.
D) by observing real-world behavior.
2) Two random variables X and Y are independently distributed if all of the following conditions
hold, with the exception of
A) Pr(Y = y| X = x) = Pr(Y = y).
B) knowing the value of one of the variables provides no information about the other.
C) if the conditional distribution of Y given X equals the marginal distribution of Y.
D) E(Y|X) = E[E(Y|X)].
(CNN) — Tension is high in Turkey as questions loom Friday over who is responsible for a suicide bombing at the U.S. Embassy in Ankara.
A Turkish security guard was killed and the bomber died, authorities say.
There are conflicting accounts concerning how many were wounded.
Ankara police and health officials said two were injured while Ankara Gov. Aladdin Yuksel said one person was hurt.
A senior U.S. official said no Americans were wounded.
The “terrorist blast” occurred at 1:13 p.m. at a checkpoint on the perimeter of the embassy, U.S. State Department spokeswoman Victoria Nuland said.
“We are working closely with the Turkish national police to make a full assessment of the damage and the casualties, and to begin an investigation,” she said.
Images from CNN sister network CNN Turk showed