The OLS Residuals $\hat { u } _ { i } ,$

question 44

Multiple Choice

The OLS residuals, $\hat { u } _ { i } ,$ are defined as follows:

• A) \(\hat { Y } _ { i } - \widehat { \beta } _ { 0 } - \widehat { \beta } _ { 1 } X _ { i }\)
• B) \(Y _ { i } - \beta _ { 0 } - \beta _ { 1 } X _ { i }\)
• C) \(Y _ { i } - \hat { Y } _ { i }\)
• D) \(\left( Y _ { i } - \bar { Y } \right) ^ { 2 }\)

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Definitions:

2,4,6-trichlorophenol

A chlorinated phenol known for its antiseptic properties, used in the synthesis of pesticides and other chemicals.

Dichlorophenol

A chemical compound consisting of a phenol molecule with two chlorine atoms attached, used in the manufacture of pesticides and disinfectants.

M-xylene

A type of xylene where two methyl groups are attached to a benzene ring in meta positions to each other.

Structure

The arrangement of atoms within a molecule, determining the molecule's shape and chemical behavior.