While the concept behind percentiles is straight forward, there are different mathematical methods for calculating them. In this post, learn about percentiles, special percentiles and their surprisingly flexible uses, and the various procedures for calculating them. Benefits of lifelong learning. Incorporating lifelong learning in your life can offer many long-term benefits, including: 1. Renewed self-motivation. Sometimes we get stuck in a rut doing things simply because we have to do them, like going to work or cleaning the house. Figuring out what inspires you puts you back in the driver’s seat and is ...Percentile. In statistics, a k-th percentile, also known as percentile score or centile, is a score below which a given percentage k of scores in its frequency distribution falls (" exclusive " definition) or a score at or below which a given percentage falls (" inclusive " definition). Percentiles are expressed in the same unit of measurement ...IQ stands for intelligence quotient. Supposedly, it is a score that tells one how “bright” a person is compared to others. The average IQ is, by definition, 100; scores above 100 indicate a higher-than-average IQ, and scores below 100 indicate a lower-than-average IQ. Theoretically, scores can range from any number below or above 100.Sep 1, 2023 · Percentile definition: one of 99 actual or notional values of a variable dividing its distribution into 100... | Meaning, pronunciation, translations and examples Anthropometry and Workspace Design DEA 3250/6510 Professor Alan Hedge Normal Man? Cranfield Man! cIdeal operator for lathe controls should be 4.5' (1.37m) tall, 2' (0.61m) across shoulders, and 8' (2.35m) arm span!Step 1: Collect the data set. Arrange the data set in ascending order. Step 3: Determine the total number of observations. Step 4: Identify the data value for which you are interested to find the percentile. Step 5: Count the number of data values that are less than the above value.11 data science statistics concepts. Here is a list of statistical concepts a data scientist might find useful: 1. Probability distribution. Probability distribution is a statistical concept that seeks to gauge the chances of something happening. For example, probability distribution estimates the chances that a team in a sport might make the ...6 years ago. Posted 6 years ago. Direct link to Ian Pulizzotto's post “The exact z score for a g...”. more. The exact z score for a given cumulative percentage, in Excel in Office 365, is either. =NORMSINV (percentage) or. =NORM.S.INV (percentage) So the exact z score for a cumulative percentage of 0.7 is either. Concept mapping is a technique for visualizing relationships among different concepts. A concept map is a diagram showing the relationships among concepts. In particular, constructivists hold that learners actively construct knowledge. Concepts are connected with labeled arrows, in a downward-branching hierarchical structure.A better measure of central tendency would be the median (15) or the mean (also 15) in this case. The mode is also a poor measure of central tendency when it happens to be a number that is far away from the rest of the values. For example, the mode of the following dataset is 30, but this doesn’t actually represent the “typical” number of ...Range is one of the simplest measures of variation. It's the lowest point of data subtracted from the highest point of data. For example, if your highest point is 10 and your lowest point is three, your range would be seven. The range tells you a general idea of how widely spread your data is. Because range is so simple and only uses two pieces ...Oct 23, 2020 · Height, birth weight, reading ability, job satisfaction, or SAT scores are just a few examples of such variables. Because normally distributed variables are so common, many statistical tests are designed for normally distributed populations. Understanding the properties of normal distributions means you can use inferential statistics to compare ... Quartiles divide data into four parts, deciles into ten parts, and percentiles into one hundred parts. These measures provide valuable insights into the distribution and spread of data, allowing us to analyze specific segments of a dataset with precision. By comprehending quartiles, deciles, and percentiles, we gain a deeper understanding of ...Percentage. Percentages are part of our everyday lives, from calculating how much to tip to determining your bank account’s interest. In simplest terms, a percentage is a number expressed as a fraction of 100. It is also uniquely signified with the use of a percent sign (%). A simple example might be a candidate’s score on a pre-employment ...Percentile ranks help in clarifying the interpretation of scores on standardized tests. In the case of test theory, the interpretation of the percentile rank of a raw score is as the percentage of examinees in the norm group. Also, these examinees scored below or at the score of interest. Percentile ranks are certainly not an equal-interval scale.Concept 7: Measures of Dispersion. Range is the difference between the maximum and minimum values in a data set. The annual returns of a portfolio manager for the past 4 years are 4%, 2%, 6%, 8%. Calculate the range. Mean absolute deviation (MAD) is the average of the absolute values of deviations from the mean.Apr 21, 2021 · First, we go the Z table and find the probability closest to 0.90 and determine what the corresponding Z score is. For any normal distribution a probability of 90% corresponds to a Z score of about 1.28. We also could have computed this using R by using the qnorm () function to find the Z score corresponding to a 90 percent probability. Dec 10, 2020 · This week, we will bust another myth – market percentiles. Users of salary surveys are accustomed to referring to the market data in terms of a percentile. The most common percentile of reference is the median average or 50 th percentile. Simply stated, the 50 th percentile of an array of values is the point where there are equal numbers of ... The concept of a decile is used widely in the field of finance and economics to perform the analysis of data. It can be used to check the performance of a portfolio in the field of finance. In this article, we learn more about a decile, its definition, rank, and see associated examples on calculating the decile value.Sep 1, 2023 · Percentile definition: one of 99 actual or notional values of a variable dividing its distribution into 100... | Meaning, pronunciation, translations and examples Aug 25, 2019 · Percentile ranks help in clarifying the interpretation of scores on standardized tests. In the case of test theory, the interpretation of the percentile rank of a raw score is as the percentage of examinees in the norm group. Also, these examinees scored below or at the score of interest. Percentile ranks are certainly not an equal-interval scale. Example. Let us make an example. Let be a discrete random variable with support and probability mass function. The distribution function of is. Suppose that we want to compute the -quantile for . There is no such that. However, the smallest such that is because for and for . Thus, we have.P = (nth percentile/100) × Total number of values in the list. Here, n = Ordinal rank of the given value or value below the number. N = Number of values in the data set. P = Percentile. Rank = Percentile/100. Ordinal rank for Percentile value = Rank × Total number of values in the list.Deciles: If data is ordered and divided into ten equal parts, then cut points are called deciles. Each part represent 10 percent. Percentiles: If data is ordered and divided intoAug 23, 2023 · percentile: [noun] a value on a scale of 100 that indicates the percent of a distribution that is equal to or below it. Mar 18, 2022 · The entry in the row and column for z = 1.56 is the area under the distribution to the left of the score. This is often expressed in the form of a probability: P ( z ≤ 1.56) = 0.9406. The ... A better measure of central tendency would be the median (15) or the mean (also 15) in this case. The mode is also a poor measure of central tendency when it happens to be a number that is far away from the rest of the values. For example, the mode of the following dataset is 30, but this doesn’t actually represent the “typical” number of ...lems, we hope this reference helps to clarify some of the concepts and methodologies used in our process. It is our goal to provide a better un-derstanding of how the science of Ergonomics is used to make products that help employees work more comfortably, effi ciently, and effectively.An integrated diagnosis with multiple modalities appears a promising concept but requires further development and testing. Many basic issues in assessing fetal growth have yet to be addressed, such as whether fetuses of different race/ethnic groups have a similar growth pattern; how fast a normal fetus is supposed to grow at different stages of ...Aug 31, 2017 · Percentage. Percentages are part of our everyday lives, from calculating how much to tip to determining your bank account’s interest. In simplest terms, a percentage is a number expressed as a fraction of 100. It is also uniquely signified with the use of a percent sign (%). A simple example might be a candidate’s score on a pre-employment ... z=\dfrac {x-\mu} {\sigma} z = σx−μ x x represents an observed score, also known as a “raw score.”. As previously mentioned, \mu μ represents the mean and \sigma σ represents the standard deviation. To calculate a z-score, we simply subtract the mean from a raw score and then divide by the standard deviation.Aug 31, 2023 · The following are the steps to calculate the kth percentile (where k is any number between zero and one hundred). Step 1: Arrange all data values in the data set in ascending order. Step 2: Count the number of values in the data set where it is represented as 'n'. Step 3: calculate the value of k/100, where k = any number between zero and one ... Pages 118 ; Ratings 50% (4) 2 out of 4 people found this document helpful; This preview shows page 91 - 94 out of 118 pages.preview shows page 91 - 94 out of 118Example question: Find out where the 25th percentile is in the above list. Step 1: Calculate what rank is at the 25th percentile. Use the following formula: Rank = Percentile / 100 * (number of items + 1) Rank = 25 / 100 * (8 + 1) = 0.25 * 9 = 2.25. A rank of 2.25 is at the 25th percentile. Oct 23, 2020 · Height, birth weight, reading ability, job satisfaction, or SAT scores are just a few examples of such variables. Because normally distributed variables are so common, many statistical tests are designed for normally distributed populations. Understanding the properties of normal distributions means you can use inferential statistics to compare ... Quartiles and deciles are statistical concepts that are commonly used to analyze datasets. Quartiles divide a dataset into four equal parts, with the first quartile (Q1) representing the 25th percentile, the second quartile (Q2) representing the median or 50th percentile, and the third quartile (Q3) representing the 75th percentile.Measures of Variability. Range, Inter-Quartile Range, Variance, Standard Deviation, Variance, Coefficient of Variation. Variance. Measure of variability that utilizes data. It is based on the difference between the value. of each observation (xi) and the mean x bar. Measures of Central Tendency/Location. Tendency of individual observations to ...OpenStax. The common measures of location are quartiles and percentiles. Quartiles are special percentiles. The first quartile, Q1, is the same as the 25 th percentile, and the third quartile, Q3, is the same as the 75 th percentile. The median, M, is called both the second quartile and the 50 th percentile.A z-score measures the distance between a data point and the mean using standard deviations. Z-scores can be positive or negative. The sign tells you whether the observation is above or below the mean. For example, a z-score of +2 indicates that the data point falls two standard deviations above the mean, while a -2 signifies it is two standard ...Look, it's just gonna be 0.5 repeating. So 55.5555%. So either of these would actually be a legitimate response to the percentile rank for the driver with the daily driving time of six hours. It depends on whether you include the six hours or not. So you could say either the 50th percentile or roughly the 55th, or actually the 56th percentile ... Illustrated definition of Quartiles: The values that divide a list of numbers into quarters. In 2, 4, 4, 5, 6, 7, 8 : middot Quartile...There are two steps to follow: Find the location of the desired quartile. If there are n observations, arranged in increasing order, then the first quartile is at position n + 1 4, second quartile (i.e. the median) is at position 2 ( n + 1) 4, and the third quartile is at position 3 ( n + 1) 4. Find the value in that position for the ordered data. Mar 18, 2005 · In contemporary philosophy, the phrase ‘the contents of perception’ means, roughly, what is conveyed to the subject by her perceptual experience. For example, suppose you are looking into a piano at the array of hammers and strings. Jul 31, 2023 · A bell-shaped curve, also known as a normal distribution or Gaussian distribution, is a symmetrical probability distribution in statistics. It represents a graph where the data clusters around the mean, with the highest frequency in the center, and decreases gradually towards the tails. Properties of normal distribution. Normal distribution Vs. Jan 19, 2022 · Percentile is found with the equation: P = n/N * 100%. Where P is the percentile, lower case n is the number of data points below the data point of interest, and N is the total number of data ... Measurement refers to careful, deliberate observations of the real world and is the essence of empirical research. While some constructs in social science research, such as a person’s age, weight, or a firm’s size, may be easy to measure, other constructs, such as creativity, prejudice, or alienation, may be considerably harder to measure ...Sep 1, 2023 · perception, in humans, the process whereby sensory stimulation is translated into organized experience. That experience, or percept, is the joint product of the stimulation and of the process itself. Skewness is a measure of asymmetry or distortion of symmetric distribution. It measures the deviation of the given distribution of a random variable from a symmetric distribution, such as normal distribution. A normal distribution is without any skewness, as it is symmetrical on both sides. Hence, a curve is regarded as skewed if it is shifted ... 6 years ago. Posted 6 years ago. Direct link to Ian Pulizzotto's post “The exact z score for a g...”. more. The exact z score for a given cumulative percentage, in Excel in Office 365, is either. =NORMSINV (percentage) or. =NORM.S.INV (percentage) So the exact z score for a cumulative percentage of 0.7 is either. This week, we will bust another myth – market percentiles. Users of salary surveys are accustomed to referring to the market data in terms of a percentile. The most common percentile of reference is the median average or 50 th percentile. Simply stated, the 50 th percentile of an array of values is the point where there are equal numbers of ...11 data science statistics concepts. Here is a list of statistical concepts a data scientist might find useful: 1. Probability distribution. Probability distribution is a statistical concept that seeks to gauge the chances of something happening. For example, probability distribution estimates the chances that a team in a sport might make the ...November 1965 Parliamentary Affairs. If L is a Levy process and (Tt)t ≥ 0 is a positive increasing process, Xt = L (Tt) is called a time-changed Levy process with time change (Tt)t ≥ 0. When ...Example: You are the fourth tallest person in a group of 20. 80% of people are shorter than you: That means you are at the 80th percentile.. If your height is 1.85m then "1.85m" is the 80th percentile height in that group.Sep 18, 2018 · A better measure of central tendency would be the median (15) or the mean (also 15) in this case. The mode is also a poor measure of central tendency when it happens to be a number that is far away from the rest of the values. For example, the mode of the following dataset is 30, but this doesn’t actually represent the “typical” number of ... Percentiles: Range from 0 to 100. Quartiles: Range from 0 to 4. Quantiles: Range from any value to any other value. Note that percentiles and quartiles are simply types of quantiles. Some types of quantiles even have specific names, including: 4-quantiles are called quartiles. 5-quantiles are called quintiles.The concept of skewness is baked into our way of thinking. When we look at a visualization, our minds intuitively discern the pattern in that chart, whether we are data scientists or beginners working on a python dataset. As you might already know, India has more than 50% of its population below the age of 25 and more than 65% below the age of 35.Start your trial now! First week only $4.99! arrow_forward Literature guides Concept explainers Writing guide Popular textbooks Popular high school textbooks Popular Q&A Business Accounting Business Law Economics Finance Leadership Management Marketing Operations Management Engineering AI and Machine Learning Bioengineering Chemical Engineering Civil Engineering Computer Engineering Computer ...The following are the steps to calculate the kth percentile (where k is any number between zero and one hundred). Step 1: Arrange all data values in the data set in ascending order. Step 2: Count the number of values in the data set where it is represented as 'n'. Step 3: calculate the value of k/100, where k = any number between zero and one ...A quartile is a type of quantile. Quantiles are values that split sorted data or a probability distribution into equal parts. In general terms, a q -quantile divides sorted data into q parts. The most commonly used quantiles have special names: Quartiles (4-quantiles): Three quartiles split the data into four parts.Illustrated definition of Quartiles: The values that divide a list of numbers into quarters. In 2, 4, 4, 5, 6, 7, 8 : middot Quartile...Pages 118 ; Ratings 50% (4) 2 out of 4 people found this document helpful; This preview shows page 91 - 94 out of 118 pages.preview shows page 91 - 94 out of 118Range is one of the simplest measures of variation. It's the lowest point of data subtracted from the highest point of data. For example, if your highest point is 10 and your lowest point is three, your range would be seven. The range tells you a general idea of how widely spread your data is. Because range is so simple and only uses two pieces ...6 years ago. Posted 6 years ago. Direct link to Ian Pulizzotto's post “The exact z score for a g...”. more. The exact z score for a given cumulative percentage, in Excel in Office 365, is either. =NORMSINV (percentage) or. =NORM.S.INV (percentage) So the exact z score for a cumulative percentage of 0.7 is either. Percentile. A percentile (or a centile) is a measure used in statistics indicating the value below which a given percentage of observations in a group of observations fall. For example, the 20th percentile is the value (or score) below which 20% of the observations may be found. The term percentile and the related term percentile rank are often ... Mar 11, 2023 · What is a Statistic? In the mind of a statistician, the world consists of populations and samples. An example of a population is all 7th graders in the United States. Pages 118 ; Ratings 50% (4) 2 out of 4 people found this document helpful; This preview shows page 91 - 94 out of 118 pages.preview shows page 91 - 94 out of 118 Concept mapping is a technique for visualizing relationships among different concepts. A concept map is a diagram showing the relationships among concepts. In particular, constructivists hold that learners actively construct knowledge. Concepts are connected with labeled arrows, in a downward-branching hierarchical structure. Minimum. It is the smallest value in the distribution. Maximum. It is the largest value in the distribution. Quantiles. They are a natural extension of the median concept in which they are values which divide a set of data into equal parts. Quartiles. The quantiles that divide the distribution into four equal parts. Deciles.Minimum. It is the smallest value in the distribution. Maximum. It is the largest value in the distribution. Quantiles. They are a natural extension of the median concept in which they are values which divide a set of data into equal parts. Quartiles. The quantiles that divide the distribution into four equal parts. Deciles.The following are the steps to calculate the kth percentile (where k is any number between zero and one hundred). Step 1: Arrange all data values in the data set in ascending order. Step 2: Count the number of values in the data set where it is represented as 'n'. Step 3: calculate the value of k/100, where k = any number between zero and one ...Anthropometry and Workspace Design DEA 3250/6510 Professor Alan Hedge Normal Man? Cranfield Man! cIdeal operator for lathe controls should be 4.5' (1.37m) tall, 2' (0.61m) across shoulders, and 8' (2.35m) arm span!Quick Reference. The mental representation of something that is perceived, an object or image as perceived by the senses rather than the physical stimulus that generates it, distinct from both the proximal stimulus and the distal stimulus. See also perception. From: percept in A Dictionary of Psychology ». Subjects: Science and technology ... List the five factors measured on The Big Five personality test. Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism. List the two categories from Gardner's multiple intelligences that best reflect your learning style. Explain your selections. 1.verbal/linguistic.Percentile. A percentile (or a centile) is a measure used in statistics indicating the value below which a given percentage of observations in a group of observations fall. For example, the 20th percentile is the value (or score) below which 20% of the observations may be found. The term percentile and the related term percentile rank are often ... Mar 11, 2023 · What is a Statistic? In the mind of a statistician, the world consists of populations and samples. An example of a population is all 7th graders in the United States. The following are the steps to calculate the kth percentile (where k is any number between zero and one hundred). Step 1: Arrange all data values in the data set in ascending order. Step 2: Count the number of values in the data set where it is represented as 'n'. Step 3: calculate the value of k/100, where k = any number between zero and one ...Apr 17, 2023 · The data in the online ranking can help you identify your stronger and weaker points in terms of conditioning. For example, if you rank in the top quartile for the 1 hour piece and the bottom quartile for 500 meters, that suggests you have good endurance but are lacking in power. You can then adopt a training plan to improve your weakness. In this session, Educator Nishant Kumar will be discussing the Concept and Problems of Quartiles, Deciles, Percentiles. This video is geared towards students...Sep 18, 2018 · A better measure of central tendency would be the median (15) or the mean (also 15) in this case. The mode is also a poor measure of central tendency when it happens to be a number that is far away from the rest of the values. For example, the mode of the following dataset is 30, but this doesn’t actually represent the “typical” number of ... 3. Use the QUARTILE function shown below to calculate the 1st quartile. Excel returns the value 11.25. This means that 25% (5 out of 20) of the scores are lower or equal to 11.25. Note: The second argument of the QUARTILE function must be a number between 0 and 4. PERCENTILE (A1:A20,0.25) gives the exact same result. Start your trial now! First week only $4.99! arrow_forward Literature guides Concept explainers Writing guide Popular textbooks Popular high school textbooks Popular Q&A Business Accounting Business Law Economics Finance Leadership Management Marketing Operations Management Engineering AI and Machine Learning Bioengineering Chemical Engineering Civil Engineering Computer Engineering Computer ...Skewness is a measure of asymmetry or distortion of symmetric distribution. It measures the deviation of the given distribution of a random variable from a symmetric distribution, such as normal distribution. A normal distribution is without any skewness, as it is symmetrical on both sides. Hence, a curve is regarded as skewed if it is shifted ...Mar 11, 2023 · What is a Statistic? In the mind of a statistician, the world consists of populations and samples. An example of a population is all 7th graders in the United States. Imagine you have the marks of 20 students. Now, try to calculate the 90th percentile. Step 1: Arrange the score in ascending order. Step 2: Plug the values in the formula to find n. P90 = 94 means that 90% of students got less than 94 and 10% of students got more than 94. Let’s look at another way how you can find the percentile in statistics.Step 1: Collect the data set. Arrange the data set in ascending order. Step 3: Determine the total number of observations. Step 4: Identify the data value for which you are interested to find the percentile. Step 5: Count the number of data values that are less than the above value.This means the sales tax is 4% of $4.50. So we'll multiply 4% by 4.50. First, we need to convert 4% into a decimal, so we'll move the decimal point two places to the left. 4% is the same as 0.04. Now we'll multiply: 4.5 times 0.04 is 0.18, so the sales tax is $0.18, or 18 cents.A z-score measures the distance between a data point and the mean using standard deviations. Z-scores can be positive or negative. The sign tells you whether the observation is above or below the mean. For example, a z-score of +2 indicates that the data point falls two standard deviations above the mean, while a -2 signifies it is two standard ...Skewness is a measure of asymmetry or distortion of symmetric distribution. It measures the deviation of the given distribution of a random variable from a symmetric distribution, such as normal distribution. A normal distribution is without any skewness, as it is symmetrical on both sides. Hence, a curve is regarded as skewed if it is shifted ... Bell Curve: A bell curve is the most common type of distribution for a variable, and due to this fact, it is known as a normal distribution. The term "bell curve" comes from the fact that the ...
Estimation of percentiles. Percentiles can be estimated from N measurements as follows: for the p th percentile, set p(N + 1) equal to k + d for k an integer, and d , a fraction greater than or equal to 0 and less than 1. For 0 < k < N, Y(p) =Y[k] + d(Y[k+1] − Y[k]). Virginia physicians for womenpercent27s health
Concept mapping is a technique for visualizing relationships among different concepts. A concept map is a diagram showing the relationships among concepts. In particular, constructivists hold that learners actively construct knowledge. Concepts are connected with labeled arrows, in a downward-branching hierarchical structure. Apr 21, 2021 · First, we go the Z table and find the probability closest to 0.90 and determine what the corresponding Z score is. For any normal distribution a probability of 90% corresponds to a Z score of about 1.28. We also could have computed this using R by using the qnorm () function to find the Z score corresponding to a 90 percent probability. The concept of skewness is baked into our way of thinking. When we look at a visualization, our minds intuitively discern the pattern in that chart, whether we are data scientists or beginners working on a python dataset. As you might already know, India has more than 50% of its population below the age of 25 and more than 65% below the age of 35.Jun 17, 2023 · Benefits of lifelong learning. Incorporating lifelong learning in your life can offer many long-term benefits, including: 1. Renewed self-motivation. Sometimes we get stuck in a rut doing things simply because we have to do them, like going to work or cleaning the house. Figuring out what inspires you puts you back in the driver’s seat and is ... Percentiles In this lesson: 1. Definition of a percentile and an interpercentile range. 2. Applications of a percentiles. 3. Calculating percentiles and interpercentile range.also developed: Concepts & Applications, a standards-based measure of higher-order thinking skills and concepts. For Reading (Grades 2–8), minor revisions were made to improve the content and interest level of the Oral Reading Fluency stories. Moreover, two new measures were developed to assess vocabularyAn integrated diagnosis with multiple modalities appears a promising concept but requires further development and testing. Many basic issues in assessing fetal growth have yet to be addressed, such as whether fetuses of different race/ethnic groups have a similar growth pattern; how fast a normal fetus is supposed to grow at different stages of ... Mar 7, 2022 · Bell Curve: A bell curve is the most common type of distribution for a variable, and due to this fact, it is known as a normal distribution. The term "bell curve" comes from the fact that the ... Definition and meaning. Percentile or centile is a value or number that represents a percentage position on a range or list of data – the person or thing at that number of value is above that number in percentage. For example, if the exam results of schoolchildren at a specified school in a nationwide study is at the 65th percentile, it means ...Percentile. In statistics, a k-th percentile, also known as percentile score or centile, is a score below which a given percentage k of scores in its frequency distribution falls (" exclusive " definition) or a score at or below which a given percentage falls (" inclusive " definition). Percentiles are expressed in the same unit of measurement ...Percentiles: Interpretations and Calculations. By Jim Frost 59 Comments. Percentiles indicate the percentage of scores that fall below a particular value. They tell you where a score stands relative to other scores. For example, a person with an IQ of 120 is at the 91 st percentile, which indicates that their IQ is higher than 91 percent of ...W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.The interquartile range (IQR) is the difference between the upper and lower quartile of a given data set and is also called a midspread. It is a measure of statistical distribution, which is equal to the difference between the upper and lower quartiles. Also, it is a calculation of variation while dividing a data set into quartiles.percentile: [noun] a value on a scale of 100 that indicates the percent of a distribution that is equal to or below it..
