Answer:
Option a
Explanation:
The Box & Whisker chart displays the spread and skewness in a batch of data through its five-number summary: minimum, maximum, median, upper and lower quartiles. It is used:
For easy understanding of the distribution of a dataset
To know the skewness if any
To find out outliers
Pie chart can be replaced by bar chart a. angle judgments are replaced by area judgments in a bar chart.