Probably not a Normal distribution 

Box and whisker plot 

The box and whisker plot (Tukey, 1977) displays a statistical summary of a variable: median, quartiles, 

range and, possibly, extreme values. 

The  Define variable dialog box for Box and whisker plot is similar to the one for Summary statistics: the 

name of the variable has to be entered as described on page 7: 

If you require a logarithmic transformation of the data (e.g. to Normalize the data), then select the 

L

OG 

TRANSFORMATION

 option. 

You can choose between vertical and horizontal orientation of the box and whisker plot. 

This is the box and whisker plot for the variable Weight: 

51