A box plot has 5 data descriptions. The interquartile range of the data shown is 16.
How does a boxplot show the data points?
A box plot has 5 data descriptions.
- The leftmost whisker shows the minimum value in the data.
- The rightmost whisker shows the maximum value in the data.
- The leftmost line in the box shows the first quartile.
- The middle line shows the median, also called the second quartile.
- The last line of the box shows the third quartile.
The quartile of the given data is,
- 1st Quartile = 20
- 2nd Quartile = 25
- 3rd Quartile = 30
The interquartile range of the data shown is equal to,
30 - 20 = 10
Hence, The interquartile range of the data shown is 16.
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