The following statements use the flight delay data of Example 18.1 to illustrate how to create side-by-side box-and-whisker plots with notches: title 'Analysis of Airline Departure Delays'; title2 ...

Next, summarize the results using the MEANS procedure and present them in a box plot using the SHEWHART procedure. The box plot facilitates the detection of outliers. You can conclude from this ...

Use box plots to illustrate the spread and differences of samples.

Compare averages, box plots, interquartile range and standard deviation.

There are two main reasons to use logarithmic scales in charts and graphs. The first is to respond to skewness towards large values; i.e., cases in which one or a few points are much larger than ...