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[DOC File]Calculation of Inter-Quartile Range (IQR)
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The interquartile range is the difference between the _____. a. first and second quartiles ...
quartiles and interquartile range calculator

[DOC File]Percentiles & Quartiles:
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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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Interquartile Range: A useful measure of data spread utilizing relative position is the interquartile range (IQR). This is the difference between the 3rd and 1st quartiles. IQR = Q3 – Q1. This range tells us the spread of the middle half of the data. Examples: For each of the following data sets, calculate the median rank, median, 1st ...
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[DOC File]Notes: Finding Quartiles & Interquartile range in a Data Set
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interquartile range (IQR) is the spread of the middle 50% of the data values. So: 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:
interquartile range of data

Lecture 7 Range, Quartiles and IQR - Mr. Manoo Murthy
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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[DOC File]TopicName Test - Jacaranda
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Approximate the interquartile range for each distribution. Using the results from parts a and b, write a sentence or two for a history textbook comparing the age distributions for the years 1900 and 2000.
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[DOCX File]Chapter 03 - Descriptive Statistics: Numerical Measures
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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.
median and interquartile range

[DOCX File]Median and IQR
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154.The interquartile range is found by taking the difference between the 1st and 3rd quartiles and dividing that value by 2. ANS:FPTS:1REF:SECTION 4.3 155.Quartiles divide the observations in a data set into four parts with the same amount of data in each part.
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[DOC File]THIS WILL LIVE IN LEARNING VILLAGE
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Find the interquartile range. What was the highest mark in the class? Median = 72. Lower quartile = 63 Upper quartile = 77 Interquartile range = 77 – 63 = 14. Top mark = 92. 4 The figures below show the number of vehicles that pass through a particular intersection between 4:00 …
quartiles and interquartile range calculator

Quartiles and interquartile range