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Aug
Interquartile Range On A Graph. And the Interquartile range is the distance between the highest or upper quartile and the lowest or lower quartile. The interquartile range IQR also called as midspread or middle 50 or technically H-spread is the difference between the third quartile Q3 and the first quartile Q1. Then the interquartile range is 51-3120. It is called IQR and used as the measure of variability in a given data set.
For the above Example range will be. The median of the upper half falls between two values. Whereas the range gives you the spread of the whole data set the interquartile range gives you the range of the middle half of a data set. The interquartile range is the upper quartile the lower quartile so for this data the interquartile range is 47 38 9. And they are denoted by Q1 Q2 and Q3 respectively. The values that divide each part are called the first second and third quartiles.
The interquartile range is the difference between the third and first quartiles.
The interquartile range IQR contains the second and third quartiles or the middle half of your data set. Boxplots are a great way to visualize interquartile ranges and their relation to the median and the overall distribution. The range measures the variability of a distribution by looking at the interval covered by all the data. And they are denoted by Q1 Q2 and Q3 respectively. The interquartile range is the upper quartile the lower quartile so for this data the interquartile range is 47 38 9. Is the overall median leaving as the lower half of the data and as the upper half of the data.