99th Percentile: top 1% or top 2%?How do you get a Percentage of how far the value is from expected ValueDraw probability tree for drawing black & white cards (how to use $P(A|B)$)Beginning statistics, simple confidence interval problemTwo Top Economist getting 9/10 correctCorrectness of a statistical evaluation of a parameterComparing two non-deterministic classifiersApproximate 99th Percentile of datasetfinding out percentiles from given dataTrying to understand when to use z-scores and how to identify them in a question, for exampleScoring of sets
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99th Percentile: top 1% or top 2%?
How do you get a Percentage of how far the value is from expected ValueDraw probability tree for drawing black & white cards (how to use $P(A|B)$)Beginning statistics, simple confidence interval problemTwo Top Economist getting 9/10 correctCorrectness of a statistical evaluation of a parameterComparing two non-deterministic classifiersApproximate 99th Percentile of datasetfinding out percentiles from given dataTrying to understand when to use z-scores and how to identify them in a question, for exampleScoring of sets
$begingroup$
If one achieves a score in the 99th percentile on an exam, is that score considered in the top 1% or 2%? How is percentile defined in statistics?
I read this somewhere: It’s top 2% - being in the x percentile doesn’t imply top (100-x) percent because the percentage getting exactly x is counted twice.
Is this correct?
statistics
asked 7 hours ago
user27343user27343
594
$endgroup$
add a comment |
$begingroup$
If one achieves a score in the 99th percentile on an exam, is that score considered in the top 1% or 2%? How is percentile defined in statistics?
I read this somewhere: It’s top 2% - being in the x percentile doesn’t imply top (100-x) percent because the percentage getting exactly x is counted twice.
Is this correct?
statistics
asked 7 hours ago
user27343user27343
594
$endgroup$
add a comment |
$begingroup$
If one achieves a score in the 99th percentile on an exam, is that score considered in the top 1% or 2%? How is percentile defined in statistics?
I read this somewhere: It’s top 2% - being in the x percentile doesn’t imply top (100-x) percent because the percentage getting exactly x is counted twice.
Is this correct?
statistics
asked 7 hours ago
user27343user27343
594
$endgroup$
If one achieves a score in the 99th percentile on an exam, is that score considered in the top 1% or 2%? How is percentile defined in statistics?
I read this somewhere: It’s top 2% - being in the x percentile doesn’t imply top (100-x) percent because the percentage getting exactly x is counted twice.
Is this correct?
statistics
statistics
asked 7 hours ago
user27343user27343
594
asked 7 hours ago
user27343user27343
594
edited 5 hours ago
user27343
asked 7 hours ago
user27343user27343
594
asked 7 hours ago
user27343user27343
594
asked 7 hours ago
user27343user27343
594
594
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
If you're in the 99th percentile, 99 percent of the population is below you, so you are in the top 1 percent.
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
$endgroup$
$begingroup$
I apologize. I accidentally edited your answer, but I needed to edit my question. Do you mind looking at it again?
$endgroup$
– user27343
6 hours ago
3
$begingroup$
To build upon this answer, there are 100 percentiles, numbered from the 0th to the 99th. That is to say that the zeroth is above 0% of the population. There is no 100th percentile, even for the highest score on the exam, because it is not above itself.
$endgroup$
– Monty Harder
5 hours ago
1
$begingroup$
@MontyHarder Then this seems like a choice of standards - for example, on Wikipedia: "...the $P$-th percentile ($0 < P leq 100$)...". In that case, the 100th percentile would be the top 1%, while the 99th would be the top 2%.
$endgroup$
– Ian
4 hours ago
1
$begingroup$
@Ian There are two different senses of the term "percentile". The second represents the 99 boundaries between the 100 groups of the first sense. The second sense is not used with the preposition "in"; one cannot be "in the 100th percentile" because there is nothing between the highest score and itself. I avoid using the second sense because it's just too confusing.
$endgroup$
– Monty Harder
3 hours ago
add a comment |
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1 Answer
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1 Answer
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oldest
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votes
$begingroup$
If you're in the 99th percentile, 99 percent of the population is below you, so you are in the top 1 percent.
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
$endgroup$
$begingroup$
I apologize. I accidentally edited your answer, but I needed to edit my question. Do you mind looking at it again?
$endgroup$
– user27343
6 hours ago
3
$begingroup$
To build upon this answer, there are 100 percentiles, numbered from the 0th to the 99th. That is to say that the zeroth is above 0% of the population. There is no 100th percentile, even for the highest score on the exam, because it is not above itself.
$endgroup$
– Monty Harder
5 hours ago
1
$begingroup$
@MontyHarder Then this seems like a choice of standards - for example, on Wikipedia: "...the $P$-th percentile ($0 < P leq 100$)...". In that case, the 100th percentile would be the top 1%, while the 99th would be the top 2%.
$endgroup$
– Ian
4 hours ago
1
$begingroup$
@Ian There are two different senses of the term "percentile". The second represents the 99 boundaries between the 100 groups of the first sense. The second sense is not used with the preposition "in"; one cannot be "in the 100th percentile" because there is nothing between the highest score and itself. I avoid using the second sense because it's just too confusing.
$endgroup$
– Monty Harder
3 hours ago
add a comment |
$begingroup$
If you're in the 99th percentile, 99 percent of the population is below you, so you are in the top 1 percent.
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
$endgroup$
$begingroup$
I apologize. I accidentally edited your answer, but I needed to edit my question. Do you mind looking at it again?
$endgroup$
– user27343
6 hours ago
3
$begingroup$
To build upon this answer, there are 100 percentiles, numbered from the 0th to the 99th. That is to say that the zeroth is above 0% of the population. There is no 100th percentile, even for the highest score on the exam, because it is not above itself.
$endgroup$
– Monty Harder
5 hours ago
1
$begingroup$
@MontyHarder Then this seems like a choice of standards - for example, on Wikipedia: "...the $P$-th percentile ($0 < P leq 100$)...". In that case, the 100th percentile would be the top 1%, while the 99th would be the top 2%.
$endgroup$
– Ian
4 hours ago
1
$begingroup$
@Ian There are two different senses of the term "percentile". The second represents the 99 boundaries between the 100 groups of the first sense. The second sense is not used with the preposition "in"; one cannot be "in the 100th percentile" because there is nothing between the highest score and itself. I avoid using the second sense because it's just too confusing.
$endgroup$
– Monty Harder
3 hours ago
add a comment |
$begingroup$
If you're in the 99th percentile, 99 percent of the population is below you, so you are in the top 1 percent.
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
$endgroup$
If you're in the 99th percentile, 99 percent of the population is below you, so you are in the top 1 percent.
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
answered 7 hours ago
Rory M. TimsRory M. Tims
1257
1257
$begingroup$
I apologize. I accidentally edited your answer, but I needed to edit my question. Do you mind looking at it again?
$endgroup$
– user27343
6 hours ago
3
$begingroup$
To build upon this answer, there are 100 percentiles, numbered from the 0th to the 99th. That is to say that the zeroth is above 0% of the population. There is no 100th percentile, even for the highest score on the exam, because it is not above itself.
$endgroup$
– Monty Harder
5 hours ago
1
$begingroup$
@MontyHarder Then this seems like a choice of standards - for example, on Wikipedia: "...the $P$-th percentile ($0 < P leq 100$)...". In that case, the 100th percentile would be the top 1%, while the 99th would be the top 2%.
$endgroup$
– Ian
4 hours ago
1
$begingroup$
@Ian There are two different senses of the term "percentile". The second represents the 99 boundaries between the 100 groups of the first sense. The second sense is not used with the preposition "in"; one cannot be "in the 100th percentile" because there is nothing between the highest score and itself. I avoid using the second sense because it's just too confusing.
$endgroup$
– Monty Harder
3 hours ago
add a comment |
$begingroup$
I apologize. I accidentally edited your answer, but I needed to edit my question. Do you mind looking at it again?
$endgroup$
– user27343
6 hours ago
3
$begingroup$
To build upon this answer, there are 100 percentiles, numbered from the 0th to the 99th. That is to say that the zeroth is above 0% of the population. There is no 100th percentile, even for the highest score on the exam, because it is not above itself.
$endgroup$
– Monty Harder
5 hours ago
1
$begingroup$
@MontyHarder Then this seems like a choice of standards - for example, on Wikipedia: "...the $P$-th percentile ($0 < P leq 100$)...". In that case, the 100th percentile would be the top 1%, while the 99th would be the top 2%.
$endgroup$
– Ian
4 hours ago
1
$begingroup$
@Ian There are two different senses of the term "percentile". The second represents the 99 boundaries between the 100 groups of the first sense. The second sense is not used with the preposition "in"; one cannot be "in the 100th percentile" because there is nothing between the highest score and itself. I avoid using the second sense because it's just too confusing.
$endgroup$
– Monty Harder
3 hours ago
$begingroup$
I apologize. I accidentally edited your answer, but I needed to edit my question. Do you mind looking at it again?
$endgroup$
– user27343
6 hours ago
$begingroup$
I apologize. I accidentally edited your answer, but I needed to edit my question. Do you mind looking at it again?
$endgroup$
– user27343
6 hours ago
3
3
$begingroup$
To build upon this answer, there are 100 percentiles, numbered from the 0th to the 99th. That is to say that the zeroth is above 0% of the population. There is no 100th percentile, even for the highest score on the exam, because it is not above itself.
$endgroup$
– Monty Harder
5 hours ago
$begingroup$
To build upon this answer, there are 100 percentiles, numbered from the 0th to the 99th. That is to say that the zeroth is above 0% of the population. There is no 100th percentile, even for the highest score on the exam, because it is not above itself.
$endgroup$
– Monty Harder
5 hours ago
1
1
$begingroup$
@MontyHarder Then this seems like a choice of standards - for example, on Wikipedia: "...the $P$-th percentile ($0 < P leq 100$)...". In that case, the 100th percentile would be the top 1%, while the 99th would be the top 2%.
$endgroup$
– Ian
4 hours ago
$begingroup$
@MontyHarder Then this seems like a choice of standards - for example, on Wikipedia: "...the $P$-th percentile ($0 < P leq 100$)...". In that case, the 100th percentile would be the top 1%, while the 99th would be the top 2%.
$endgroup$
– Ian
4 hours ago
1
1
$begingroup$
@Ian There are two different senses of the term "percentile". The second represents the 99 boundaries between the 100 groups of the first sense. The second sense is not used with the preposition "in"; one cannot be "in the 100th percentile" because there is nothing between the highest score and itself. I avoid using the second sense because it's just too confusing.
$endgroup$
– Monty Harder
3 hours ago
$begingroup$
@Ian There are two different senses of the term "percentile". The second represents the 99 boundaries between the 100 groups of the first sense. The second sense is not used with the preposition "in"; one cannot be "in the 100th percentile" because there is nothing between the highest score and itself. I avoid using the second sense because it's just too confusing.
$endgroup$
– Monty Harder
3 hours ago
add a comment |
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