What is the lowest possible percentile?

Then the function assigns a percentile to each number in array: the lowest number is the 0th percentile, the highest number is the 100th percentile, and the middle number is 50th percentile.

What is the lowest percentile?

Percentile rank is a number between 0 and 100 indicating the percent of cases falling at or below that score. There is no 0 percentile rank - the lowest score is at the first percentile. There is no 100th percentile - the highest score is at the 99th percentile.

Is it possible to be in the 0th percentile?

You can't score better or worse than yourself so 0th and 100th percentile doesn't exist. There is no such a thing. If you scored best out of 100, you would be in the 99th percentile because you beat 99/100 scores. If you scored best out of 1000, you would be in the 99.9th percentile because you beat 999/1000 scores.

Is 25th percentile the lowest?

The first quartile is referred to as Q1 or the lower quartile. This value is the 25th percentile, in which the lower quarter of the values fall below the 25th percentile while three quarters are above it. The second quartile, or Q2, is the value at the 50th percentile. This is the median of the data set.

Why is 100th percentile impossible?

It is not possible that Paul scores 100th percentile rank on a given standardized test. A value of 100th percentile implies that 100% of the candidates who appeared on the test stood behind Paul in terms of ranking, which is not possible as Paul himself is one of the candidates who appeared on the test.

Percentiles (1.7)

Is there a 0th percentile or 100th percentile?

In some cases, percentiles are defined as the points that divide the data. Because 99 divisions are needed to do this, percentiles are generally numbered 1 through 99. In other cases, the 0th percentile is defined as the minimum point in the data and the 100th percentile as the maximum.

Is 98 percentile good?

A 98th percentile score on the SAT, or any major test, is very good.

What is the 1% percentile?

Percentile is statistically defined as: "Each of the 99 intermediate values of a random variable which divide a frequency distribution into 100 such groups. So, if there is a group of 10,000 people, one percentile units would mean 1 percent, or 100 people."

Is it better to be in the 1st percentile or 100th?

If you are in the top 1%, you are in the 99th percentile. But shouldn't 100th percentile be the best? No, that's because you can't be in the top 0%. Being in the top 0% means all people including yourself scored worse than you.

What is the 45th percentile?

This means that the student had a test score greater than or equal to 45% of the reference population. Conversely, 55% of students scored equal to or higher than the individual tested.

What is the percentile breakdown of IQ?

If we apply the empirical rule to IQ distribution, we can say that 68% of people have an IQ between 85 and 115; 95% - between 70 and 130; and 99.7% - between 55 and 145.

Is 99th percentile good or bad?

This means that the student had a test score greater than or equal to 99% of the reference population. Conversely, only 1% of students scored equal to or higher than the individual tested. For further information on how percentile ranks work, we recommend the MathIsFun page on Percentile Rank.

What does it mean when a baby is in the 99th percentile?

Below the 3rd percentile is at risk for underweight. In the 3rd percentile to below the 85th percentile is at a healthy weight. In the 85th percentile to the 97th percentile is at risk for overweight. Above the 97th percentile to the 99.9th percentile is overweight. Above the 99th percentile is obese.

Is 1% percentile good?

If you're in the 1st percentile, it means that 99% of people who took the test did better than you. Put another way, you're not going to be a lawyer or doctor.

Is 34 percentile good?

A score of 34 indicates the student's performance was slightly below average. “Average” is defined as a score falling between (and including) 41 and 59, the center of the “bell.”

Is 93 percentile bad?

It means you scored better than 93% of testtakers. It means you have scored better than 93% percent students who participated in the exam. It is not a rank neither it is your score. If there were 100 students who appeared for the exam and you got 93 percentile, it means you have done better than 93 students.

Is 7th percentile good or bad?

A percentile of 7 indicates that 7 percent of the total population of test takers have scored below you, while you have scored less than 93 percent of the test takers. A 7 percentile is not a good score.

Is the top 1% the 99th percentile?

A Perfect(ish) Score

If you're in 10th grade and you score between 1420 and 1520, you're in the top 1% of all test takers (99th percentile). If you're in 11th grade, anything between a 1490 and 1520 places you in the top 1%.

Is 15th percentile good or bad?

There is a wide range for what is considered "normal." Just because your child is in the 15th percentile for weight (meaning 85 out of 100 children weigh more), this number rarely means your child is sick, you are not feeding your child enough, or your breast milk is not enough for your baby.

What is zero percentile?

100th percentile would mean you scored better than 100% of people including yourself, which would be impossible because - as you said - you can't score better than yourself. 0th percentile would mean you scored better than 0% of people, meaning 100% of people scored either better or the same as you.

Is 11 percentile good?

The score you have entered means that the individual who took the test is at the eleventh percentile – their percentile rank is 11%. This means that the student had a test score greater than or equal to 11% of the reference population. Conversely, 89% of students scored equal to or higher than the individual tested.

Is 3rd percentile good or bad?

Children often do not follow these lines exact- ly, but most often, their growth over time is roughly parallel to these lines. A child who has a height plotted below the third percentile line is considered to have short stature compared with the general population.

Is 99.7 percentile good?

Congratulations on scoring 99.7 percentile in JEE Main! It is an excellent achievement.

Is 91 percentile bad?

91% percentile means you are in top (100–91)% ie top 9%. Suppose there are 100 students in a class. 91% percentile means that you are in top 9 which means your rank is 9.

What IQ is 98th percentile?

Most IQ tests are designed to yield a mean score of 100 with a standard deviation of 15; the 98th-percentile score under these conditions is 130.8, assuming a normal distribution.