Briefly explain the Boxplot for data visualization and analytics and give its example.
Answer)
Let us first understand the BoxPlot definition to understand it further:
This is a visual representation meant for statistical 5 numbers summary which would be needed for explaining the numbers which are in the tooltip for creating the box plot.
Considering the five number, the summary contains:
Median, maximum, minimum, first Quartile and the Third Quartile
Example:
Note: Quartile calculation: Q1: (N+1) multiplied with 1/4 and Q3: is (N+1) multiplied with 3/4
For example in the number set where x = 1, 3, 7, 8, 11, 13, 15, 16, 18, 20
Now let's find the literal 5 numbers:
| 20 is the Maximum value | |
| 8.25 is the Third Quartile | |
| 12 is the median value | |
| 2.75 is the first Quartile | |
| 1 is the least or minimum value |
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