A Student Scores in the 80th Percentile on an Exam

question 19

Multiple Choice

A student scores in the 80th percentile on an exam.What does this mean in comparison to all other students?

• A) The student scored higher than 80% of all others who took the exam.
• B) The student scored worse than 80% of all others who took the exam.
• C) Of all those who took the exam, only 80% of them completed it.
• D) The student would score the same grade on the exam 80% of the time.

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Definitions:

Experimental Method

A research method designed to test hypotheses and establish cause-and-effect relationships through manipulation and controlled conditions.

Population

The total number of individuals of a species living in a particular area or environment, considered together as a group for study in various sciences.

Biased Sample

A sample that does not accurately represent the population from which it was drawn, due to systematic exclusion of some part of the population.

Double-Blind Control

An experimental setup where neither the participants nor the experimenters know who is receiving a particular treatment, minimizing bias.