“Aren’t you a little short for a stormtrooper?”

If these action figures are to convey the actual relative height of Luke Skywalker and Princess Leia, and if her first words upon meeting a stormtrooper-disguised Luke are “Aren’t you a little short for a stormtrooper”, then just how tall are stormtroopers, anyway? Are the Emperor’s soldiers all the size of Shaquille O’Neal or something?!