STANDARD DEVIATION

BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

rbansal: Senior | Next Rank: 100 Posts; Posts: 36; Joined: Tue Jul 20, 2010 7:42 pm; Thanked: 1 times; Followed by:1 members

by rbansal » Sat May 07, 2011 9:05 pm

Can someone please explain why II is not the smallest standard deviation?

Attachments

Source: Beat The GMAT — Problem Solving | Sat May 07, 2011 9:05 pm

smackmartine: Legendary Member; Posts: 516; Joined: Fri Jul 31, 2009 3:22 pm; Thanked: 112 times; Followed by:13 members

by smackmartine » Sat May 07, 2011 9:56 pm

In set II, there is no deviation at all . Reason is values are constantly overlapping each other without any rise or drop.

rbansal wrote:Can someone please explain why II is not the smallest standard deviation?

• Page 1 of 1