How to find the iqr stats
[DOC File]STATISTICS IS THE STUDY OF DATA - De Anza College
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Dec 02, 2017 · 8. Find the 5-number summary of the data. 9. Sketch a box and whisker plot of the data to the right of the table. 10. Find the IQR of the data set. 11. Use the IQR definition of outlier to show that none of the values are outliers. 12. The data below shows a sample of computers sold at one branch of “Buy More” stores.
Outliers: Finding Them in Data, Formula, Examples. Easy Steps and …
Find the interquartile range (IQR). The interquartile range equals Q 3 – Q 1.Statisticians have observed that in most data sets, almost all data values lie between a “lower fence” and an “upper fence.” The fences are at the first quartile minus 1.5 times the IQR, and the third quartile plus 1.5 times the IQR.
[DOCX File]Stem Plot and Dot Plot Practice - Walton Math Pages
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Find the IQR, write your answer in context of the problem. Determine whether there are any outliers. Show your work ... How many hours in a week do AP Stats Juniors and Seniors spend on the internet (cell phones, computer, Ipod/Ipad, or video games) ... Find the mean, median, mode, 5 number summary, outliers, range.
[DOC File]Statistics
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17. No. Find the IQR value of 80 by subtracting the Q3 and Q1 values. Multiply this IQR by 1.5 . to find the value to be added to Q3 and subtracted from Q1 to find the “fences” for the Outlier Rule. The low fence falls at -90…30 – 120, and the high fence falls at 230…110 + 120. No prices in the survey fall beyond these fence values. 18.
[DOC File]Sample Test Questions -- Test 1 - University of Florida
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(3) To find Q1 (first quartile): Find the median of ALL values that are below the median. (4) To find Q3 (third quartile): Find the median of ALL values that are above the median. Note: NEVER include the actual median in the data when finding the quartiles. Find the 5-number summary and draw the boxplot for each data set. 1.
[DOCX File]Algebra 1 – College
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Your calculator can find these special percentiles using 1-variable statistics. c. The third quartile is 17.5. Write a sentence that interprets the third quartile in the context of this problem. EXAMPLE 9: INTERQUARTILE RANGE (IQR) : difference between third and first quartiles.
[DOCX File]Welcome! [jbacamath.weebly.com]
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Jan 08, 2016 · The Compensation Service Quality Review Team (QRT) Program establishes a team of dedicated Quality Review Specialists (QRSs) with a focused emphasis on station quality in every Veterans Benefits Administration (VBA) facility that processes compensation and pension claims.
STATISTICS: Sect
Find the median, upper and lower quartiles, range, and the interquartile range. Sketch a Stem plot Sketch a dot plot. What is different about these two graphs? How are they similar? Why might these graphs . not . be good graphs for this data?
[DOC File]The Standard Deviation as a Ruler
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a) the IQR is always bigger than the range for a given data set. b) the IQR is always smaller than the range. c) the IQR is equal to the range. d) this cannot be determined from the given information. 19. Which of the following is not true about normal curves? a) They all …
[DOC File]Geo C
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The Standard Deviation as a Ruler. 1. Here are the summary statistics for the weekly payroll of a small company: lowest salary = $300, mean salary = $700, median = $500, range = $1200, IQR = $600, first quartile = $350, standard deviation = $400.
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