A Study Based on OLS Regressions Is Internally Valid If

question 37

Multiple Choice

A study based on OLS regressions is internally valid if

• A)the errors are homoskedastic, and there are no more than two binary variables present among the regressors.
• B)you use a two-sided alternative hypothesis, and standard errors are calculated using the heteroskedasticity-robust formula.
• C)weighted least squares produces similar results, and the t-statistic is normally distributed in large samples.
• D)the OLS estimator is unbiased and consistent, and the standard errors are computed in a way that makes confidence intervals have the desired confidence
• Level.

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Definitions:

External Data Tab

A feature in applications that allows users to manage connections to data stored outside the application, such as importing or linking to external databases.

Rerun Button

A user interface element that allows the user to execute an action or process again with a single click.

Linking

The process of connecting or associating two or more elements, such as database tables or objects, for the purpose of data reference or integration.

Access Database

A database system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools.