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A Teacher Notices That on the Last Science Test, Some

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A teacher notices that on the last science test, some students did very well, while other students performed poorly or had grades in the middle of the pack. If she wanted to measure how "spread out" all of the scores were, which descriptive statistic could she use?


Definitions:

Democracy

In a democracy, citizens exercise a high degree of control over the state. They do this mainly by choosing representatives in regular, competitive elections.

Inequality

The unequal distribution of wealth, opportunities, and privileges within a society.

Economic Growth

An increase in the amount of goods and services produced per head of the population over a period of time.

Modernization Theory

A theory that posits that societies progress through stages of economic development, from traditional to modern industrial economies, with corresponding social and cultural changes.

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