 # What is the meaning of percentile? I am confused by the term percentile. Once my teacher told me t Peia6tvsr 2022-04-06 Answered
What is the meaning of percentile?
I am confused by the term percentile. Once my teacher told me that percentile means the percentage with respect to the score of the highest achiever.
This means that if in a competition I got $80$ out of $100$ and the highest score in that competition was 90 out of 100 then my percentile would be $\frac{80}{90}\ast 100=88.89$
So I got $80\mathrm{%}$ and $88.89$ percentile.
I was believing that my above concept was right.
But when I see the definition of percentile on Wikipedia then I got something new (but I don't understand this definition) and then I thought that what my teacher told me was wrong.
Kindly tell me if my teacher right or wrong.
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"It is an important and popular fact that things are not always what they seem."- Hitchhiker's Guide to The Galaxy
Your teacher meant Percentile Rank. In the Wikipedia Article, it is verifiably stated that: "In test theory, the percentile rank of a raw score is interpreted as the percentages of examinees in the norm group who scored at or below the score of interest."
So, in mathematical layman's terms, for practical everyday examination purpouses,
""The ${n}^{\text{th}}$ Perecentile Rank in a group whose highest mark is $m$ is equivalent to $n\mathrm{%}$ of $m$and vice-versa""
No one can be blamed. The terms Percentile and Percentile Rank are interchanged especially in schools and test centres where they conduct competitive examinations.
A percentile is a different concept similar to deciles in statistics.
###### Not exactly what you’re looking for? Dominick Blanchard
The percentile tells you the value below which a certain percentage of the observations fall.
Thus, if the median score on the test was $80$, a score of $80$ would put you at the fiftieth percentile regardless of what the high score was.