It is currently 19 Oct 2017, 04:14

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# M-D ,M, M+d

Author Message
Manager
Joined: 09 Oct 2008
Posts: 93

Kudos [?]: 24 [0], given: 0

### Show Tags

14 Oct 2008, 20:55
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Hello Friends
One more..
Attachments

SD-Mean2.JPG [ 36.37 KiB | Viewed 922 times ]

Kudos [?]: 24 [0], given: 0

Intern
Joined: 23 Sep 2008
Posts: 15

Kudos [?]: [0], given: 0

### Show Tags

14 Oct 2008, 21:09
ISnt the answer supposed to be C on this.

Kudos [?]: [0], given: 0

Director
Joined: 23 May 2008
Posts: 801

Kudos [?]: 83 [0], given: 0

### Show Tags

14 Oct 2008, 21:15
should be D

1) 68% interval means that 32% lies outside interval, symetric so 16% above m+d

2) 16% below m-d, symetrical so 16% above m+d

Kudos [?]: 83 [0], given: 0

Intern
Joined: 23 Sep 2008
Posts: 15

Kudos [?]: [0], given: 0

### Show Tags

14 Oct 2008, 21:19

Kudos [?]: [0], given: 0

Re: M-D ,M, M+d   [#permalink] 14 Oct 2008, 21:19
Display posts from previous: Sort by