Ricardo Takes a Test on Which He Scores an 89

question 138

Multiple Choice

Ricardo takes a test on which he scores an 89. A week later he takes the same test and scores an 88. We can probably conclude that the test he was administered is

• A) reliable.
• B) valid.
• C) projective.
• D) falsifiable.

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Definitions:

Lorenz Curve

A graphical representation used to show the distribution of income or wealth within a society.

Gini Ratio

A measure of income or wealth inequality within a population, ranging from 0 (perfect equality) to 1 (maximum inequality).

Income Inequality

The unequal distribution of household or individual income across the various participants in an economy, leading to various economic and social issues.

Lorenz Curve

A graphical representation of income or wealth distribution within a society, showing the proportion of the total income earned by various segments of the population.