Have you seen the Girl Groups ranked by height?

Giants Group

Nine Muses – 171.9 cm (5 ft, 7.7 in)
Dal Shabet – 169.3 cm (5 ft, 6.7 in)
Rania – 168.8 cm (5 ft, 6.5 in)
After School – 168.5 cm (5 ft, 6.3 in)
Tall Group
The Grace (CSJH) – 167.5 cm (5 ft, 5.9 in)
SPICA – 167.4 cm (5 ft, 5.9 in)
Chocolat – 167.0 cm (5 ft, 5.7 in)
f(x) – 166.8 cm (5 ft, 5.7 in)
Average
SISTAR – 166.0 cm (5 ft, 5.4 in)
Girl’s Day – 165.8 cm (5 ft, 5.3 in)
A Pink – 165.4 cm (5 ft, 5.1 in)
5dolls – 165.2 cm (5 ft, 5.0 in)
Davichi – 165.0 cm (5 ft, 5.0 in)
Short Group
miss A – 164.2 cm (5 ft, 4.6 in)
T-ara – 164.1 cm (5 ft, 4.6 in)
Jewelry – 163.8 cm (5 ft, 4.5 in)
4minute – 163.8 cm (5 ft, 4.5 in)
Piggy Dolls – 163.7 cm (5 ft, 4.4 in)
Wonder Girls – 163.6 cm (5 ft, 4.4 in)
SNSD – 163.5 cm (5 ft, 4.4 in)
Really Short Group
KARA – 162.6 cm (5 ft, 4.0 in)
2NE1 – 162.5 cm (5 ft, 4.0 in)
SECRET – 160.8 cm (5 ft, 3.3 in)
Brown Eyed Girls – 160.0 cm (5 ft, 3.0 in) Nine Muses with an average height of 171.9 cm (almost 5 feet, 8 inches SNSD and Wonder Girls belong to the ‘short group,’ while KARA, 2NE1, Brown Eyed Girls and SECRET were placed into the ‘really short group.’ In particular, Brown Eyed Girls ranked last with their average height of 160 cm (5 feet, 3 inches). Sorry if its so long