Box and Whiskers Plot Questions
 What percent of the data is located in each of the four sections of a box
and whisker plot?
o 25%
 What percent of the data is above and below the median?
o 50%
 What determines the length of the boxes and whiskers in a box and whisker
plot?
o The range of the data in each section of the box and whisker plot
 What does it mean when a whisker is missing?
o When the lower whisker is missing the lower quartile and the lower
extreme are equal; when the upper whisker is missing the upper
quartile and upper extreme are equal
 Which statistical measures can be found in a box and whisker plot?
o Median, range
 Which statistical measures can not be found in a box and whisker plot?
o Mean, mode
 Can all the individual data pieces be extracted from a box and whisker plot?
o No a box and whisker plot is a 5 point summary of the data, all the data
points are not given
 When is it a good idea to use a box and whisker plot?
o When comparing data sets of different sizes