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a percentile score of 80 is a score equal to 80 or better than 80% of the scores obtained.
Not sure I've done such a good job of stating it clearly... Does it help in any way ?
So you actually say that the a 80-th percentile is all the people who scored 80 or less. For instance, the 2-th percentile is the group of those who scored 1% or 2%? Is there any chance I got it right?
Maverick88Thank you both you're extremely useful but I still have a question:No, the percentile is for people who scored 80 or more.Similary, those who scored 2%.
If you don't mind I would like to add one more thing which has nothing to do with your original question.
Only objects are useful. When referring to people, it is an offending statement which gives a different context altogether.But I understand what you wanted to say. It should be ''you're extremely helpful''.
Actually I'm not sure what you mean by 'to score 80'. If this is the variable that you are statistically studying and sampling that has this value of 80 (whatever it is) then no, it doesn't quite work like you suggest.
The 80% percentile is the exact value that has 80% of the sampled population below it and 20% of the population above it.
Hope this clears it up a bit with the example.
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