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The interquartile range (IQR) is a measure of statistical dispersion, or spread, that provides information about the middle 50% of a dataset. It is calculated as the difference between the third quartile (Q3) and the first quartile (Q1) and is useful for identifying outliers and understanding the variability of the data.

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Q: What is a inter quatile range?
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What is the math term for IQR?

IQR = Inter Quartile RangeIQR = Inter Quartile RangeIQR = Inter Quartile RangeIQR = Inter Quartile Range


When should you throw out an outliers?

If the result is 1.5 x Inter Quartile Range (or more) above the Upper Quartile or 1.5 x Inter Quartile Range (or more) below the Lower Quartile.


What does the box in a box-and-whisker plot represent?

The inter-quartile range.


Can the inter quartile range be zero?

Yes, if you have a distribution with very little spread.


How do you find the inter quartile range?

Subtract the lower quartile from the upper quartile.


What do you call the difference between the 1st and 3rd quartiles?

The inter-quartile range.


What is an inter-decile range?

where you take away the 10% of the data from 90% of the data


How do you finde iqr?

IQR = Inter-Quartile Range = Upper Quartile - Lower Quartile.


What is a Measure of spread about the mean?

Standard error, standard deviation, variance, range, inter-quartile range as well as measures based on other percentiles.


How do you find the interquartile range of a data?

The Inter-quartile range is the range of the middle half of the data. It is the difference between the upper and lower quartile.Example: 35,80,100 110,120,120,170,180.The Inter-quartile range would be 145-90 or 55To find the interquartile range, you:1) Arrange the data in numerical order.2) Then find the median of the data sets.3) Find the median of the top half and bottom half. (of the set of numbers)4) The groups you now have are "quartiles"5) Find the interquartile range. (subtract the smaller range from the range)


What quartile rage difference of the upper and lower quartiles?

There is no need to lose your rag!It is the inter-quartile range.


What does 2 mean when the means 0?

It is not possible to answer without any information on the spread (range, inter-quartile range, mean absolute deviation, standard deviation or variance).