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Questions and Answers
What does Mark's percentile rank of 70 indicate?
What would Mark's percentile rank be if he scored higher than 80% of the students in the norming group?
If Mark's percentile rank is higher than Amy's, what can we conclude?
If Mark's percentile rank is 30, what can we conclude about the proportion of students who scored lower than him in the norming group?
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If Mark's percentile rank in another test is 80, what does this tell us about the proportion of students who scored lower than him in the norming group for that test?
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What proportion of students in the norming group scored lower than Mark?
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Study Notes
Percentile Rank Interpretation
- A percentile rank of 70 indicates that Mark scored higher than 70% of the students in the norming group.
- If Mark scored higher than 80% of the students in the norming group, his percentile rank would be above 80.
- If Mark's percentile rank is higher than Amy's, it means that Mark scored higher than a larger proportion of students in the norming group compared to Amy.
- A percentile rank of 30 indicates that 30% of students in the norming group scored lower than Mark, and 70% scored higher.
- A percentile rank of 80 indicates that 80% of students in the norming group scored lower than Mark, and 20% scored higher.
- Mark's percentile rank of 70 indicates that 70% of students in the norming group scored lower than him, and 30% scored higher.
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Description
This quiz explores the concept of percentile rank in relation to a student's performance in a science test. It specifically asks about the proportion of students who scored lower than a given percentile rank in the norming group.
