Under the Least Squares Assumptions (Zero Conditional Mean for the Error

question 8

Multiple Choice

Under the least squares assumptions (zero conditional mean for the error term, X_i and Y_i being i.i.d., and X_i and u_i having finite fourth moments) , the OLS estimator for the slope and intercept

• A)has an exact normal distribution for n > 15.
• B)is BLUE.
• C)has a normal distribution even in small samples.
• D)is unbiased.

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Definitions:

Sound Pitch

The auditory perception of the frequency of a sound wave, which determines the highness or lowness of a tone.

Branches of Linguistics

Various fields of study within the discipline of linguistics, including phonetics, phonology, morphology, syntax, semantics, pragmatics, and others, focusing on different aspects of language.

Linguistics

The scientific study of language and its structure, including the study of morphology, syntax, phonetics, and semantics.

Sociolinguistics

The study of how language functions within society, including its variations and social uses across different groups.