interquartile range slideshare
interquartile range slideshare
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interquartile range slideshare
We've encountered a problem, please try again. Now customize the name of a clipboard to store your clips. Excel doesn't have a function that directly calculates . We've encountered a problem, please try again. The interquartile range (IQR) is the difference between the first quartile and third quartile. Question 6. We've updated our privacy policy. interquartile. Message 3 of 6. Calculate the range of the data. Now customize the name of a clipboard to store your clips. The interquartile range shows the range in values of the central 50% of the data. interquartile. Quartiles & The Interquartile Range: Definition, Formulate & Examples study.com. Formula for the Range: r = H - L where: r = range H = highest score L = lowest score. The values that divide each part are called the first, second, and third quartiles; and they are denoted by Q1, Q2, and Q3, respectively. CS8075 DATA WAREHOUSING AND DATA MINING. Interquartile range (IQR) Interquartile range review. > smedian.hilow (1:100) Median Lower Upper 50.500 3.475 97.525. The Interquartile Range The interquartile range (IQR) is the difference between Q3 and Q1. The IQR describes the middle 50% of values when ordered from lowest to highest. Interquartile Range Calculator Instructions. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi Mammalian Brain Chemistry Explains Everything. These values are quartile 1 (Q1) and quartile 3 (Q3). Activate your 30 day free trialto unlock unlimited reading. 0 1 2 3 4 5 4. If I dump the above array of numbers into Microsoft Excel (columns A:M), then I can use the following formulas: =QUARTILE.INC (A1:M1,1) =QUARTILE.INC (A1:M1,2) =QUARTILE.INC (A1:M1,3) To get my answers of: You can also use other percentiles to determine the spread of different proportions. Finding Interquartile Range from Cumulative Frequency Histogram Polygon, Finding Interquartile Range from Dot Plot 2, Finding Interquartile Range from Stem-Leaf Plot 1, Finding Interquartile Range from Stem-Leaf Plot 2, Understanding the Fibonacci Series - Visual Literacy & Graphic Design, Review Of Slope And The Slope Intercept Formula, Finding the Median from Frequency Table 1, Finding the Mean from Grouped Frequency Table, Drawing Cumulative Frequency Histogram Polygon, Irresistible content for immovable prospects, How To Build Amazing Products Through Customer Feedback. Here is the data set of our earlier example having been put through both the summary and IQR functions. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi Mammalian Brain Chemistry Explains Everything. Interquartile range =Q 3 -Q 1 =65-18=47. Compute Inter quartile range for the following frequency distribution. Coding the IQR from scratch is a good way to learn the math behind it, but in real life, you would use a Python library to . For clarity the value for the RPS was generated by adding the values of A1 to I4 and dividing by the number of values (11). For example, the range between the 97.5th percentile and the 2.5th percentile covers 95% of the . interquartile range slidesharetimberland linden woods fleece. Activate your 30 day free trialto continue reading. Q: Find the modulo class to which each number belongs for the indicated. from the lowest to the highest. We've updated our privacy policy. 3. India has a population of 1,368,737,513. Looks like youve clipped this slide to already. What is interquartile range? Q3 = 47. Clipping is a handy way to collect important slides you want to go back to later. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi Mammalian Brain Chemistry Explains Everything. Maths/chapter 3: Part2 /interquartile Range/ Lesson16. I essentially want to create a new variable next to RPS that represents the interquartile range of the 11 values. These values are quartile 1 (Q1) and quartile 3 (Q3). Learn faster and smarter from top experts, Download to take your learnings offline and on the go. This is the range of the middle half of the data, when the values are written in order. The IQR is a commonly used measure of spread. Finding the IQR in SPSS is relatively straight forward. The values that split each part are known as the first, second, and third quartile. A Correlative Information-Theoretic Measure for Image Similarity, PCA (Principal component analysis) Theory and Toolkits, Principal Component Analysis For Novelty Detection. 1. The formula for this is: IQR = Q 3 - Q 1. The range measures the difference between the minimum value and the maximum value in a dataset. Activate your 30 day free trialto continue reading. Step 4 - Click on "Calculate" for Inter quartile range. Bridging the Gap Between Data Science & Engineer: Building High-Performance T How to Master Difficult Conversations at Work Leaders Guide, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell). Determine the first, second, and third quartiles for the data in Exercise. Hence the interquartile range describes the middle 50% of observations. Bridging the Gap Between Data Science & Engineer: Building High-Performance T How to Master Difficult Conversations at Work Leaders Guide, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell). Step 1 : Enter your dataset into Excel. # interquartile range in R; summary () procedure > x =c (5, 10,12,15,18,22,25,27,30,35) > summary (x) Min. IQR = Q3 - Q1 For example, suppose we have the following dataset: The data below shows the number of laptops sold by 15 sales agents during the last financial year. Finding Interquartile Range from Cumulative Frequency Histogram Polygon. 0 1 2 3 4 5 Here is a Dot Plot 5. Range 2. Free access to premium services like Tuneln, Mubi and more. The interquartile range is a measure of variability based on splitting data into quartiles. You can use the QUARTILE, QUARTILE.INC, or QUARTILE.EXC functions to do this. Without further ado, here's how to calculate the interquartile range in Excel in four steps! It covers the center of the distribution and contains 50% of the observations. 3. Unlike range, IQR tells where the majority of data lies and is thus preferred over range. The interquartile range or IQR is the range of the middle half of a set of data. 7.2b Interquartile Range 1 - SPM Additional Mathematics . plot interquartile stem median. Range, quartiles, and interquartile range. Blockchain + AI + Crypto Economics Are We Creating a Code Tsunami? We've encountered a problem, please try again. solution: Box plots. 1. r = iqr (A,vecdim) operates along the dimensions specified in the vector vecdim. 0 1 2 3 4 5 Start by crossing off the Bottom dot from the Smallest Score swarna sudha Follow Advertisement Recommended Step 2: Click on 'show data' , and further click on Q1 Q 1 , Q3 Q 3 , Q3Q1 Q 3 Q 1 buttons to see the respective values. Statistics report THE RANGE. 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The IQR is the difference between Q3 and Q1. Did you try www.HelpWriting.net ?. The inter-quartile range is $$ \begin{aligned} IQR & = Q_3 - Q_1\\ &= 5 - 3\\ & = 2. Uses. Assistant Professor(Senior Grade) To find the interquartile range (IQR), first find the median (middle value) of the lower and upper half of the data. The interquartile range is the difference between the upper or highest quartile (third quartile) and the lower or lowest quartile (first quartile). - YouTube www.youtube.com. Click here to review the details. View solution in original post. Finding Interquartile Range from Dot Plot 1. Since there are four groups (round and yellow, round and green, wrinkled and yellow, wrinkled and green), there are three degrees of freedom.. For a test of significance at = .05 and df = 3, the 2 critical value is 7.82.. 7. Department of CSE Activate your 30 day free trialto continue reading. Steps to Solve. Both the range and standard deviation tell us how spread out our data is. 1. The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles. 112. dinger urban dictionary; interquartile range slideshare. where, n is the total number of terms. happy aesthetic wallpaper laptop. 5.2.1 The Range. In descriptive statistics, the interquartile range (IQR) is a measure of statistical dispersion, which is the spread of the data. Finding Interquartile Range from Dot Plot 1 1. I have continuous predictor variable (x) and create this in stata: egen IQR1_x=iqr (x) gen IQR2_x=x/IQR1_x then, I am going to use "IQR2_x" in my model and interpret as 'the change in the outcome var per one IQR change in the predictor (X). Also, I would like the IQR to be expressed . Step 1: Fill the box for the number of data points, and click on 'new data set'.This would be the required data. The interquartile range is 58 52 or 6 . M.Swarna Sudha APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi Mammalian Brain Chemistry Explains Everything. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. Step 2: Find Upper Quartile and lower quartile for the given data. 2) Click on the "Calculate" button to calculate the interquartile range. 7.2b Interquartile Range 1 - SPM Additional Mathematics spmaddmaths.blog . Median. Textbook solution for Introduction to Business Statistics 7th Edition WEIERS Chapter 3.3 Problem 3.24E. Bridging the Gap Between Data Science & Engineer: Building High-Performance T How to Master Difficult Conversations at Work Leaders Guide, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell). 2. Interquartile Range The interquartile range (IQR) of a dataset is the difference between the first quartile (the 25th percentile) and the third quartile (the 75th percentile). For Q1, r = (0.25) (21) = 5.25 5. Solutions for Chapter 3 Problem 24E: Determine the first, second, and third quartiles for the data in Exercise 3.21; then calculate the interquartile range and the quartile deviation. In this example, we'll use a data range of A3:A13. If the interquartile range is large it means that the middle 50% of observations are spaced wide apart. Tap here to review the details. Gives the central tendency of the data. We've encountered a problem, please try again. interquartile range iqr even median data calculating sample figure statistics lower number outliers middle values box summary point whisker plot. You can read the details below. Tap here to review the details. We can find the interquartile range or IQR in four simple steps: Order the data from least to greatest. Q 1 - Lower Quartile Part Q 2 - Median Q 3 - Upper Quartile Part Like the median, it is not affected by extreme outliers. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Find the interquartile range (IQR) of the data set. I wanted to interpret my result by interquartile range (IQR), e.g., per one IQR. Blockchain + AI + Crypto Economics Are We Creating a Code Tsunami? In simple terms, it measures the spread of the middle 50% of values. 77 likes 74,815 views Education Technology Business This tutorial gives the detailed explanation of "Measure of Dispersion" (Range, Quartile Deviation, Interquartile Range, Mean Deviation) with suitable illustrative example with MS Excel Commands of calculation in excel. The following table gives the amount of time (in minutes) spent on the internet each evening by a group of 56 students. In response to Kumar11109. If you want the IQR then you do not want median_hilow, at least with its defaults, because it delivers the low value as the 2.5th percentile and the high value as the 97.5th percentile. Our mission is to provide a free, world-class education to anyone, anywhere. The values that I need to work out from this interquartile range are: Upper Quartile. \end{aligned} $$ Example 2. Clipping is a handy way to collect important slides you want to go back to later. The IQR describes the middle 50% of values when ordered from lowest to highest. The interquartile range, often denoted IQR, is a way to measure the spread of the middle 50% of a dataset. Q3 is the upper quartile of 75th percentile. Below is the formula, that will give us the Interquartile Range: =QUARTILE.INC (B2:B21,3)-QUARTILE.INC (B2:B21,1) Let me explain a bit more about how this formula works. 06-15-2017 11:54 PM. Did you try www.HelpWriting.net ?. The formula for finding the interquartile range takes the third quartile value and subtracts the first quartile value. Middle 50%. Third Quartile = (14+16)/2 = 15. The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles. Note that quartiles are simply values that split up a dataset into four equal parts. Conceptual Explanation The interquartile range (IQR) is the range of values that resides in the middle of the scores. How to use the Interquartile Range Calculator: 1) Enter each of the numbers in your set separated by a comma (e.g., 1,9,11,59,77), space (e.g., 1 9 11 59 77) or line break. Principal Component Analysis(PCA) understanding document, Principal Component Analysis (PCA) and LDA PPT Slides, Cluster analysis using k-means method in R, Principal Component Analysis and Clustering, Neural Networks: Principal Component Analysis (PCA), Introduction to Principle Component Analysis, Measures of Relative Standing and Boxplots. . The values that divide each part are called the first, second, and third quartiles; and they are denoted by Q1, Q2, and Q3, respectively. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Next lesson. IQR can be used to identify outliers in a data set. 2. It measures the spread of the middle 50% of values. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. The SlideShare family just got bigger. IQR = Q3 - Q1 Uses : Ramco Institute of Technology IQR = Q3 - Q1 Equivalently, the interquartile range is the region between the 75th and 25th percentile (75 - 25 = 50% of the data). 1st Qu. Shakehand with Life Follow Advertisement Recommended Make a cut between the 3rd and 4th data points and take the average of those two points. Free access to premium services like Tuneln, Mubi and more. In descriptive statistics, the interquartile range tells you the spread of the middle half of your distribution. The steps of finding the interquartile range are given below: First, arrange the given data values in ascending order, i.e. Now customize the name of a clipboard to store your clips. Interquartile range = Q 3 Q 1 In the above example, the lower quartile is 52 and the upper quartile is 58 . 7.2b interquartile range 1. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. Interquartile range \bf {=} = upper quartile \bf {-} lower quartile IQR=UQ-LQ\text { or }IQR=Q_ {3}-Q_ {1} I QR = U Q LQ or I QR = Q3 Q1 Finding Interquartile Range From Stem-Leaf Plot 2 www.slideshare.net. (b). Values must be numeric and separated by commas, spaces or new-line. Faculty Developer and Decision-Based Learning Creator. IQR = Q3 - Q1 Step 1: Sort the given data in ascending order. Follow these two quick steps, to calculate the interquartile range. Find the median of the data. Activate your 30 day free trialto unlock unlimited reading. You can read the details below. Q3-Q1 Q 3 - Q 1 is 15 - 5 = 10. Answer: 10 is the interquartile range for the given set of first 10 odd numbers. Quartiles segment any distribution that's ordered from low to high into four equal parts. Tap here to review the details. AI and Machine Learning Demystified by Carol Smith at Midwest UX 2017, Pew Research Center's Internet & American Life Project, Harry Surden - Artificial Intelligence and Law Overview, EF4PI Unit 3B - Present continuous - writing.pptx, challengesofhrm-111222075056-phpapp02.ppt, module1roadtotherightchoice-180220033610.pdf, I ST YEAR _B_ SECTION ATTENDANCE (1) (Repaired).docx, No public clipboards found for this slide. The SlideShare family just got bigger. To find the interquartile range, subtract the value of the lower quartile (\(\frac{1}{4}\) . Step 3: Find Inter Quartile Range. Hi @Kumar11109, You can try the custom visual Box and Whisker chart which is a convenient way of graphically depicting groups of numerical data through their quartiles in Power BI. Step 1 - Select type of frequency distribution (Discrete or continuous) Step 2 - Enter the Range or classes (X) seperated by comma (,) Step 3 - Enter the Frequencies (f) seperated by comma. Q: Find the first, second, and third quartiles for the ages of the. They know how to do an amazing essay, research papers or dissertations. Example 3: Europe has an estimated population of 1,420,062,022 people. v-ljerr-msft. Q1 = 41. The interquartile range is an interval, not a scalar. Looks like youve clipped this slide to already. Interquartile range review. Now customize the name of a clipboard to store your clips. We've updated our privacy policy. The SlideShare family just got bigger. Inter-quartile range. Worksheets are Story based interquartile ranges work 1, Name date interquartile range practice work 1 median, Math virtual learning grade 7 interquartile range, Inter quartile range outliers, Quartiles work, Box whisker work, Range 1, Work iqroutliers name period find the median. Activate your 30 day free trialto continue reading. It is calculated as the difference between the first quartile (Q1) and the third quartile (Q3) of a dataset. Regards. For Q3, r = (0.75) (21) = 15.75 16. Click here to review the details. Interquartile Range. AI and Machine Learning Demystified by Carol Smith at Midwest UX 2017, Pew Research Center's Internet & American Life Project, Harry Surden - Artificial Intelligence and Law Overview, EF4PI Unit 3B - Present continuous - writing.pptx, challengesofhrm-111222075056-phpapp02.ppt, module1roadtotherightchoice-180220033610.pdf, I ST YEAR _B_ SECTION ATTENDANCE (1) (Repaired).docx, No public clipboards found for this slide. It is defined as the difference between the 75th and 25th percentiles of the data. Of all the measures of variability, the range is the easiest and quickest way to determine. Up Next. Step 1: Order the values from least to greatest. Ignore the Population/Sample selector unless you intend to examine the variance or the standard deviation. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. the data points found between the first and third quartiles. Q1 is the "middle" value in the first half of the rank-ordered data set. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. The IQR is often used to measure the spread . Activate your 30 day free trialto unlock unlimited reading. You can read the details below. We have step-by-step solutions for your textbooks written by Bartleby experts! Calculate the interquartile range (IQR). The IQR is the difference between Q3 and Q1. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. Activate your 30 day free trialto continue reading. Practice: Interquartile range (IQR) This is the currently selected item. For example, if A is a matrix, then iqr (A,2) operates on the elements in each row. The SlideShare family just got bigger. Step 4: Compare the chi-square value to the critical value The interquartile range of a data set tells us how the values of the data set are spread or bunched.IQR is the difference between the third quartile(75th percentile) and the first quartile(25th percentile). Now customize the name of a clipboard to store your clips. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Tap here to review the details. Quartile D. Muhammad Amir Sohail Dispersion stati Lanka Praneeth Chapter03 Sanoj Fernando Standard deviation Sayeda Salma S.A. Mba i qt unit-2.1_measures of variations Rai University Measure of Central Tendency Kaushik Deb Module 4 16 31 37 39 42 44 56 58 60 63 71 Lower Quartile: 37 Upper Quartile: 60 Interquartile Range= Upper Quartile - Lower Quartile 60 - 37 113. The interquartile range is defined as the middle part of a range of data, i.e. Step 5 - Gives output as number of observation (N) Step 6 - Calculate three quartiles Q 1, Q 2 and Q 3. H-spread. Free access to premium services like Tuneln, Mubi and more. By accepting, you agree to the updated privacy policy. The SlideShare family just got bigger. 43 48 62 52 46 90 58 37 48 73 84 68 54 34 78 (a). baltimore city pools 2022; lewis hamilton demi lovato; garden grove housing authority payment standards 2022. branches of spinal nerves; long sleeve pink mini dress I want to find the interquartile range of the 11 values of A1-I4. What is an Interquartile Range? The IQR is the difference between Q3 and Q1. Interquartile range is the difference between the upper quartile (or third quartile) and the lower quartile (or first quartile) in an ordered data set. Finding IQR for odd number of scores 3. You should always report both numbers, not just the difference between them. def interquartile_range(df): p75 = get_percentile(df, 75) # 75th percentile p25 = get_percentile(df, 25) # 75th percentile iqr = p75 - p25 # Interquartile Range return iqr interquartile_range(df) >>> 0.31 3 - Validation. We've updated our privacy policy. Clipping is a handy way to collect important slides you want to go back to later. The interquartile range of a dataset, often abbreviated IQR, is the difference between the first quartile (the 25th percentile) and the third quartile (the 75th percentile) of the dataset. Measures of Variation or Dispersion Dr Athar Khan The commonly used measures of absolute dispersion are: 1. Inter-quartile range, lowest and highest value quartile deviation, etc. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. AI and Machine Learning Demystified by Carol Smith at Midwest UX 2017, Pew Research Center's Internet & American Life Project, Harry Surden - Artificial Intelligence and Law Overview, EF4PI Unit 3B - Present continuous - writing.pptx, challengesofhrm-111222075056-phpapp02.ppt, module1roadtotherightchoice-180220033610.pdf, I ST YEAR _B_ SECTION ATTENDANCE (1) (Repaired).docx, No public clipboards found for this slide. Class Interval Histograms Passy World . 7.2b interquartile range 1. Calculating IQR from c.f histogram polygon with step by step illustration. Microsoft. First Quartile = (4+4)/2 = 4. Click here to review the details. The interquartile range is calculated by subtracting the first quartile from the third quartile. The interquartile range (IQR) contains the second and third quartiles, or the middle half of your data set. Now with this understanding from the . 1. The IQR may also be called the midspread, middle 50%, fourth spread, or Hspread. Other names for the interquartile range(IQR) are, Midspread. r = iqr (A,"all") returns the interquartile range values of all the elements in A. r = iqr (A,dim) operates along the dimension dim. They know how to do an amazing essay, research papers or dissertations. Make a cut between the 9th and 10th data points and take the average of those two points. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi Mammalian Brain Chemistry Explains Everything. AI and Machine Learning Demystified by Carol Smith at Midwest UX 2017, Pew Research Center's Internet & American Life Project, Harry Surden - Artificial Intelligence and Law Overview, EF4PI Unit 3B - Present continuous - writing.pptx, challengesofhrm-111222075056-phpapp02.ppt, module1roadtotherightchoice-180220033610.pdf, I ST YEAR _B_ SECTION ATTENDANCE (1) (Repaired).docx, No public clipboards found for this slide. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. - Mr Kim 2. And they are represented by Q1, Q2, and Q3. The interquartile range (IQR), also called as midspread or middle 50%, or technically H-spread is the difference between the third quartile (Q3) and the first quartile (Q1). Blockchain + AI + Crypto Economics Are We Creating a Code Tsunami? Displaying all worksheets related to - Interquartile Range. Lesson 1-4 -- Five Number Summary chrismac47. You can read the details below. Interquartile range gives us the spread of the middle 50 percent of the data values and is the difference between the third and the first quartile.The formula for the interquartile range is as follows: Interquartile Range = Q 3 Q 1, where Q 1 and Q 3, are the first quartile and third quartile respectively. Finding Interquartile Range From Dot Plot 2 www.slideshare.net. The IQR is the difference between the upper and lower medians. It is simply the difference of the highest (H) and the lowest (L) scores in a set of data under consideration. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. IQR = Q3 - Q1. To find the IQR in SPSS, simply follow the steps below. 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Range, Quartiles, and Interquartile Range interquartile range = upper quartile - lower quartile The upper quartile is the value that is three quarters of the way along . 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For Q1, Q2, and more measurements of the variability of a clipboard to store clips! 43 48 62 52 46 90 58 37 48 interquartile range slideshare 84 68 54 78 Value that is three quarters of the ignore the Population/Sample selector unless you to Your 30 day free trialto unlock unlimited reading written by Bartleby experts ; end { aligned $ Be called the midspread, middle 50 % of the data below shows the median. Minutes ) spent on the go, arrange the given data QUARTILE.INC, or QUARTILE.EXC functions to do amazing. Report the range measures the spread interquartile range slideshare different proportions commas, spaces or new-line ( component! Teacherscollegesj < /a > 5 a handy way to collect important slides want! Internal control impact successful enterprise risk management ( n + 1 ) /4 ) th term majority data.: //www.slideshare.net/swarnasudha1/range-quartiles-and-interquartile-range '' > range vs. interquartile range is an interval, not a scalar a Code? Population of 1,420,062,022 people, APIs as Digital Factories ' New Machi Mammalian Brain Chemistry Explains Everything range from plot. Quartiles & amp ; the interquartile range ( IQR ), e.g., per IQR! Day free trialto unlock unlimited reading > Displaying all worksheets related to - interquartile range are given below first > Displaying all worksheets related to - interquartile range is the interquartile range in Python VedExcel. In Python - VedExcel < /a > 7 by extreme outliers outliers values. Calculating sample figure statistics lower number outliers middle values box summary point whisker plot spread, or the middle % The Population/Sample selector unless you intend to examine the variance or the middle 50 % of observations tpt. 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