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quartile
quartile, a. and n. (ˈkwɔːtɪl; in sense B. 2 -taɪl) [ad. med.L. quartīlis, f. quartus fourth: cf. quintile, sextile.] A. adj. Astr. and Astrol. a. quartile aspect, the aspect of two heavenly bodies which are 90° distant from each other. (Cf. quadrate a. 2.) b. Connected with, relating to, a quartile... Oxford English Dictionary
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Quartile coefficient of dispersion
In statistics, the quartile coefficient of dispersion is a descriptive statistic which measures dispersion and is used to make comparisons within and between = 2.4, Q1 = 2, Q3 = 2.9, quartile coefficient of dispersion = 0.18 The quartile coefficient of dispersion of data set A is 2.7 times as great (0.5 / wikipedia.org
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Quartile Calculator | Interquartile Range Calculator
Sep 19, 2023This quartile calculator and interquartile range calculator finds first quartile Q 1, second quartile Q 2 and third quartile Q 3 of a data set. It also finds median, minimum, maximum, and interquartile range. Enter data separated by commas or spaces. You can also copy and paste lines of data from spreadsheets or text documents.
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Journal Citation Reports: Quartile rankings and other metrics - Clarivate
May 24, 2022In Journal Citation Reports, quartiles are defined as the following: Where X is the journal rank in category and Y is the number of journals in the category. When sorted by Impact Factor, if a journal is rank 78 out of 314 in a category, Z= (78/314)=0.248 which is a Q1 journal. When sorted by Impact Factor, if a journal is rank 102 out of 204 ...
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How to Calculate the Upper Quartile: 13 Steps (with Pictures) - wikiHow
Jun 29, 2023The upper quartile is the top 25 percent of numbers in the data set, or the 75th percentile. To calculate the upper quartile, first, arrange the numbers of the data set in ascending order. Then, determine how many numbers are in the set. The formula for calculating the upper quartile is Q3 = ¾ (n +1).
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Quartiles when all numbers are same I understand quartiles are to be used in large data sets. But for pedagogical purposes, What would be the Quartile1,Median and Quartile3 for a set consisting of same numbers? Wha...
For corner cases like this, you need to consult your definition. All the definitions out there agree on large continuous data sets, but they differ in detail when individual observations matter. Wikipedia gives three methods for computing the quartiles. If your set is seven samples, each with a valu...
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Find the Quartile. There are the following numbers from a sample data: $$36, 45, 49, 53, 55, 56, 59, 61, 62, 65, 69, 71, 76, 78, 81, 85, 91, 92, 99.$$ There are $19$ values. The question is to find the third quartile....
The _third quartile_ is the median between the median and the highest value in the data. in increasing order, the third quartile is the average of the fifth and sixth values, which is $$\frac{78 + 81}{2} = \frac{159}{2} = 79.5$$
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Is this method of calculation for the first quartile correct? Given the numbers: $[1,2,3,4,5]$ I want to find the first quartile, so I first find the median $ = 3.$ Now I can split the numbers in the this way: $(1,...
In this case $n = 5$, so when you calculate the position, it would be $\frac{1}{4}(6) = 1.5$. This would be the average between the first and second position, which is also $1.5$. It is notable that for some sets, whether the median is included in each lower and upper half affects the selection of t...
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Finding the first and third quartile of a box plot I am a bit confused right now because I am doing some practice box plot questions and I came across this particular one. Given the data 1,2,3,4,5,6 I found the foll...
So, the example I found on Wikipedia with $6$ elements looked like this: Ordered Data Set: $7, 15, 36, 39, 40, 41$. As there are an even number of data points, all three methods give the same results(You can find the methods in my link) $\rightarrow Q_1=15, Q_2=37,5, Q_3=40$. As you can see, $Q_1$ i...
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How do you find the number that corresponds to Quartile 1, when given an even number of scores? If you have an odd number of data values {39, 40, 42, 44, 47, 48, 49, 51, 53}, what is the score that value that correspo...
The lower quartile value is the median of the lower half of the data. The lower quartile value is the median of the lower half of the data. The upper quartile value is the median of the upper half of the data. >
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如何理解并区分统计学中percentile，quantile，quartile的概念？ - 知乎
知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容，聚集了中文互联网科技、商业、影视 ...
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calculating upper and lower quartiles The number of goals scored by a football team during a months worth of matches is recorderd. They scored $0$ goals $4$ times, $1$ goal $6$ six times and $2$ goals $3$ times. Cal...
We have data on 4 + 6 + 3 = 13 games. $13 \cdot 0.25 = 3.25$, and $13 \cdot 0.75 = 9.75$. We round these to $3$ and $10$, respectively. We line up all our values in order: $$ 0\; 0\; 0\; 0\; 1\; 1\; 1\; 1\; 1\; 1\; 2\; 2\; 2 $$ The third value is $0$. the 10th value is $1$.
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Quartiles and appending elements to an end of a stack > The company at which Mark is employed has 80 employees, each of whom has a different salary. Mark’s salary of $43,700 is the second-highest salary in the rst qua...
The quartiles range from lowest to highest salaries (e.g., see Wikipedia's Quartile). Thus, the first quartile is the lowest quarter range of the salaries.
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Am I Calculating Quartiles Correctly? Here is my data set: 5, 8, 12, 42, 43 I am trying to work out the first quartile. When using R (the programming language) it shows the 1st quartile as 8, but when I work it out m...
There are 9 methods defined for computing quantiles, see the help page for `quantile` in R for the details. You can choose between them using the `type` argument, the default is 7. Your method corresponds to type 6 (and is that used by Minitab and SPSS): x <- c(5, 8, 12, 42, 43) sapply(1:9, function...
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What's the proper way for calculating first quartile? How should I calculate quartiles? In a book I read (by Amir D. Aczel) it is said that: > First quartile is th 25th percentile, that means a value for which $1/4$ ...
R types 1, 2, 3 and 5 give $3$ as the first quartile, as you calculated, and if you want to regard this observation as a discrete population that is indeed
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