[Answer] What does the interquartile range describe?

Answer: The range of the middle 50% of the observations

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What does the interquartile range describe? In descriptive statistics the interquartile range (IQR) also called the midspread or middle fifty is a measure of statistical dispersion being equal to the difference between the upper and lower quartiles IQR = Q3 − Q1. In other words the IQR is the 1st quartile subtracted from the 3rd quartile; these quartiles can … How do you find the interquartile range? How to find interquartile range - Algebra 1 How to Calculate the Interquartile Range | Sciencing Interquartile Range is Used to Describe Variance in Skewed ... How to Calculate the Interquartile Range | Sciencing Sat Jan 26 2019 · The interquartile range which tells us how far apart the first and third quartile are indicates how spread out the middle 50% of our set of data is. Resistance to Outliers The primary advantage of using the interquartile range rather than the range for the measurement of the spread of a data set is that the interquartile range is not sensitive to outliers. In descriptive statistics the interquartile range (IQR) also called the midspread middle 50% or H‑spread is a measure of statistical dispersion being equal to the difference between 75th and 25th percentiles or between upper and lower quartiles IQR = Q3 − Q1. In other words the IQR is the first quartile subtracted from the third quartile; these quartiles can be clearly seen on a box plot on the data. It is a trimmed estimator defined as the 25% trimmed range and is a commonly used robust measure of scale. The interquartile range (IQR) is the range of values that resides in the middle of the scores . When a distribution is skewed and the median is used instead of the mean to show a central tendency the appropriate measure of variability is the Interquartile range. The interquartile range (IQR) is a mea...

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