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.

---

Definitions:

Patents

Legal documents granting an inventor exclusive rights to produce, use, and sell their invention for a certain period of time.

Technology

The application of scientific knowledge for practical purposes, especially in industry and in the creation of devices or processes that improve efficiency or quality of life.

Growth

A process whereby an economy's capacity to produce goods and services increases over time.

Population Growth

The increase in the number of individuals in a population, often measured as the change in the total number of residents over a specific time period.