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

Redeem

Change in Standard Deviation?

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Problem Solving |

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 16207
Joined: Mon Dec 08, 2008 6:26 pm
Location: Vancouver, BC
Thanked: 5254 times
Followed by:1268 members
GMAT Score:770

by Brent@GMATPrepNow » Thu Aug 16, 2012 6:59 am
AVbyT wrote:Can anyone help with solution for this problem:

If y = |x| - 100, and if the standard deviation of x series is 'S', what is the standard deviation of y series?
Hmm, it's hard to understand what this question is asking. How many numbers are in the sets?
What are the 5 answer choices?
Is this a GMAT question? What's the source?

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
Image
Top
Post new topic Post Reply
• Page 1 of 1