Which of the Following Statements Is True

question 9

Multiple Choice

Which of the following statements is true?

• A)Taking a log of a nonnormal distribution yields a distribution that is closer to normal.
• B)The mean of a nonnormal distribution is 0 and the variance is ².
• C) The CLT assumes that the dependent variable is unaffected by unobserved factors.
• D) OLS estimators have the highest variance among unbiased estimators.

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Definitions:

Radar Systems

Systems that use radio waves to detect objects' distance, speed, and other characteristics by sending out pulses of radio waves and analyzing the echoes returned.

Airport

A complex facility with runways and buildings for takeoff, landing, and maintenance of aircraft, including facilities for passengers.

Probability

A measure of the likelihood that an event will occur, quantified between 0 (impossible) and 1 (certain).

Relative Frequency Histograms

Graphs that display the proportion or percentage of observations within each category/bin of the data.