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interquartile range: the difference between the upper quartile and the lower quartile. It represents the middle half or 50% of the data in the set. outliers: values separated from the rest of the data (more than 1.5 times the IQR from the. quartiles) not included in the whiskers of the box-and-whisker plot
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[DOC File]Use the following to answer question 1
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The Interquartile Range (IQR) for these data is: A) 1.73 pounds. B) 0.58 pounds. C) 0.19 pounds. D) 1.00 pounds. E) 0.385 pounds. 6. The New England Patriots are a top ranked team in the National Football League (NFL) and the Saskatchewan Roughriders are the 2007 champions of the Canadian Football League (CFL).
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[DOC File]JMP TUTORIAL #1 - DESCRIPTIVE METHODS FOR …
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Interquartile Range (IQR) (another measure of spread) IQR = Q3 – Q1 and gives the range of the middle 50% of our observed values. Standardized Variables (z-scores) The z-score for an observation is (sample) or (population). The z-score tells us how many standard deviations above (if positive) or below (if negative) the mean an observation is.
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[DOC File]Properties of Quadrilaterals
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Range Q1 Median Q3 Interquartile Range Maximum Value Minimum Value Construct and label Box-and-Whiskers plots (one on top of the other) for both data distributions using the scale shown. Compare the range and interquartile range for each group to determine the variability within each group. Comment on what you notice.
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[DOC File]Sample Test Questions -- Test 1 - University of Florida
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B. Since the median is smaller than the mean, we can conclude it’s a skewed right graph. B. Since it is a skewed distribution, the median is better than mean. B. For the skewed right graphs, the mean is farther out in the long tail than is the median. So, the mean is greater than the median. A. Approximately 95% of the observations fall ...
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The interquartile range is $250,000 $175,000 $75,000. $250,000 1.5($75,000) $362,500, so any value larger than $362,500 is considered an outlier. c. The median is $200,000 for both data sets, so the median does not change. The interquartile range decreases from $250,000 $175,000 $75,000 to $237,500 $175,000 $62,500.
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[DOCX File]Curly Hair Care
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Calculate measures of center (mean and median) Calculate measures of spread (range, IQR, standard deviation) Choose the appropriate measure of center and spread in a given setting
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[DOC File]Types of Variables
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Interquartile Range IQR, Standard Deviation, Range = Maximum – Minimum, Mean Absolute Deviation, and Median Absolute Deviation. The IQR measures the middle 50% of the data.. The Standard Deviation (SD) is roughly the average distance values are from the mean.
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What does interquartile range mean