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[DOC File]Integrated Algebra 1
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The median grade for both classes was the same, but the interquartile range is greater for Algebra 2 than for Algebra 1. The mean of the Algebra 1 class is greater than the Algebra 2 class, and the interquartile range is greater for the Algebra 2 class than the Algebra 1 class.
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[DOCX File]High School Cluster Quiz Interpreting Data
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C.The median and the interquartile range because both data sets are skewed.D.The mean and standard deviation because both data sets are skewed. A used-car dealership has 27 cars for sale. The least expensive car costs $4499. The most expensive car …
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[DOCX File]16.0, 14.9, 13.2, 12.5, 9.1, 8.1, 10.4, 10.8,
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Which measure of spread would best describe the data-the standard deviation or the interquartile range if there is an outlier? IQR The table below lists the top ten most populated cities in 2014.
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Median and IQR
c.Find the interquartile range (IQR). Activity . 4 [Page 2.4] 1.Identify the following as true or false and give a reason. Use the activity to help your thinking. a.The LQ is always one of the elements of the data set. b.The LQ is the midpoint between the smallest value in the data set and the median.
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[DOCX File]WordPress.com
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How does the outlier affect the interquartile range? It does not affect the IQR. Which measure of spread would best describe the data—the standard deviation or the interquartile range? Why? The IQR because it is not affected. Author: Levin, Lori A. Created Date: 03/29/2019 05:31:00
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[DOC File]Calculation of Inter-Quartile Range (IQR)
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The inter-quartile range is the range in which the middle 50% of the data points fall (i.e. the distance between the 1st and 3rd quartile) and would be calculated as follows for the above data set: 25% of n = 25% x (n+1) = 0.25 x 9 = 2.25. Therefore the 1st quartile lies between the 2nd and 3rd lowest observations (i.e. 3 &4).
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[DOC File]Quartiles:
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The interquartile range is a more useful measure of spread than the range as it describes the middle 50% of the data values. Example. Find the median, lower quartile, upper quartile and interquartile range of the following data set of scores:
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[DOCX File]Henry County Schools / Overview
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These measures include _range___, the interquartile range (_IQR_), and the mean absolute deviation (_MAD__). Measures of Center __mean__ is the average or …
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Median and IQR - Texas Instruments
Median and Interquartile Range is the second lesson in a series of lessons that investigates the statistical process. In this lesson students are introduced to the median and, by taking the median of each half of the data, to quartiles and the interquartile range.
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[DOC File]Notes: Finding Quartiles & Interquartile range in a Data Set
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Step 5: Find the interquartile range by subtracting 3rd and 1st quartile 12-2 = 10 IR= 10 Now you try: Data Set - 5, 8, 12, 14, 1, 0, 19, 6, 17, 18 Step 1: Put the numbers in order from least to greatest
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What is the interquartile range