Box-and-Whisker Plot

A Box-and-Whisker Plot is a graphical representation of a dataset that displays its minimum, first quartile (Q1), median, third quartile (Q3), and maximum values.

The minimum value represents the smallest data point in the dataset.

The median is the middle value of the dataset when it is ordered from least to greatest.

The Interquartile Range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1), representing the range of the middle 50% of the data.

The lower quartile (Q1) is the median of the lower half of the dataset, representing the 25th percentile.

The upper quartile (Q3) is the median of the upper half of the dataset, representing the 75th percentile.

IQR = Q3 - Q1.

The whiskers extend from the quartiles to the minimum and maximum values, showing the range of the data.

It provides insights into the central tendency, variability, and potential outliers in the dataset.

Outliers can be identified as data points that fall outside the range defined by Q1 - 1.5*IQR and Q3 + 1.5*IQR.