The box and whisker plot, sometimes simply called the box plot, is a type of graph that help visualize the five-number summary. ... In a box and whisker plot: The left and right sides of the box are the lower and upper quartiles
For a box-and-whisker plot you order the data numerically from smallest to largest and find the lower quartile, median and upper quartile. ... The median is 3, the lower quartile (the median of the values less than the median) is 1 and the upper quartile is 5. Thus the box extends from 1 to 5 are there are no whiskers
Therefore the box plot does not have a whisker because no existing value of the right side of the plot