Weighted Least Squares Estimation Is Used Only When _____

question 24

Multiple Choice

Weighted least squares estimation is used only when _____.

• A)the dependent variable in a regression model is binary
• B)the independent variables in a regression model are correlated
• C)the error term in a regression model has a constant variance
• D)the functional form of the error variances is known

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Definitions:

Relating Tables

The process of establishing a connection between tables in a database through common fields, enhancing data integrity and organization.

Pressing ESC

The action of pressing the Escape key on a keyboard to cancel or exit a process or dialog window.

Removes Changes

An action that undoes or reverts modifications made to data or documents, restoring them to a previous state.

Deletes The Record

A database operation that permanently removes a row of data from a table.