What Percentage of Whites in the U

question 38

Multiple Choice

What percentage of Whites in the U.S.are characterized as "poor?"

• A)9%
• B)20%
• C)30%
• D)40%

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Definitions:

Extraneous Factors

Variables that are not of interest in a study but could affect its outcome.

Experimental Units

Experimental units are the smallest divisions of the experimental subjects that can be independently assigned to treatment groups in a study.

Two-factor ANOVA

A statistical method used to analyze the effects of two independent variables on a single continuous dependent variable, allowing interaction effects to be studied.

Randomized Block Design

A statistical design for experiments that aims to reduce variation by grouping subjects that are similar into blocks before randomly assigning treatments.