A Researcher Decides to Split Scores on an Exam into Quartiles.She

question 42

Multiple Choice

A researcher decides to split scores on an exam into quartiles.She determines that a score of 64 is at the 25th percentile,a score of 74 is at the 50th percentile,and a score of 80 is at the 75th percentile.What is the interquartile range (IQR) for these data?

• A) 16
• B) 10
• C) 6
• D) There is not enough information to answer this question.

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Definitions:

Economic Stability

A state where an economy experiences steady growth, low inflation, and low unemployment rates over time.

Catching-up Growth

Economic strategy aimed at enabling developing countries to achieve rapid economic growth and reach the standards of more developed countries.

Brazil, Russia, India, China

Collectively known as BRIC, these countries were identified as fast-growing developing economies with significant influence on regional and global affairs.

Long-reaching Effects

Impacts or consequences of an event, decision, or policy that extend over a long period of time or into future generations.