The medians of two box plots are significantly different at approximately the 0.05 level if the corresponding notches do not overlap. For example, in Output 18.3.1, the median for December 20 is ...

Figure 2: Box plots reflect sample variability and should be avoided for very small samples (n < 5), with notches shown only when they appear within the IQR. The exact position of box boundaries ...

The following statements use the flight delay data of Example 32.1 to illustrate how to create side-by-side box-and-whisker plots with notches ... at approximately the 95% level if the notches do not ...