GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 19 Oct 2019, 17:51

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

If the median of a list of numbers is m, the first quartile

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Retired Moderator
avatar
V
Joined: 22 Jun 2014
Posts: 1093
Location: India
Concentration: General Management, Technology
GMAT 1: 540 Q45 V20
GPA: 2.49
WE: Information Technology (Computer Software)
GMAT ToolKit User
If the median of a list of numbers is m, the first quartile  [#permalink]

Show Tags

New post 15 May 2016, 11:00
2
9
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

73% (01:49) correct 27% (01:56) wrong based on 155 sessions

HideShow timer Statistics

If the median of a list of numbers is m, the first quartile of the list is the median of the numbers in the list that are less than m. What is the first quartile of the list of numbers 42, 24, 30, 22, 26, 19, 33 and 35 ?

A) 33

B) 28

C) 27

D) 24

E) 23

_________________
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 58445
Re: If the median of a list of numbers is m, the first quartile  [#permalink]

Show Tags

New post 15 May 2016, 11:08
1
3
HKD1710 wrote:
If the median of a list of numbers is m, the first quartile of the list is the median of the numbers in the list that are less than m. What is the first quartile of the list of numbers 42, 24, 30, 22, 26, 19, 33 and 35 ?

A) 33

B) 28

C) 27

D) 24

E) 23


The median of {19, 22, 24, 26, 30, 33, 35, 42} is 28.

The numbers less than the median are {19, 22, 24, 26}. The median of this list is 23.

Answer: E.
_________________
Math Expert
avatar
V
Joined: 02 Aug 2009
Posts: 7984
Re: If the median of a list of numbers is m, the first quartile  [#permalink]

Show Tags

New post 15 May 2016, 11:09
1
HKD1710 wrote:
If the median of a list of numbers is m, the first quartile of the list is the median of the numbers in the list that are less than m. What is the first quartile of the list of numbers 42, 24, 30, 22, 26, 19, 33 and 35 ?

A) 33

B) 28

C) 27

D) 24

E) 23


It is given that a quartile is the middle number of all numbers less than median..

so lets arrange the number in ascending order- 42, 24, 30, 22, 26, 19, 33 and 35
19, 22, 24, 26, 30 , 33, 35, 42...

numbers less than median are 19, 22, 24, 26..
the median of these numbers = center of 22 and 24 = 23
E
_________________
Current Student
User avatar
B
Status: DONE!
Joined: 05 Sep 2016
Posts: 357
Re: If the median of a list of numbers is m, the first quartile  [#permalink]

Show Tags

New post 15 Oct 2016, 09:11
rearrange numbers (lowest - highest)

19 22 24 26 30 33 35 42

Notice that since we have an even number we go to the center of the list --> add 26 & 30, divide by 2 = 28 (Median of the set)

Numbers in list less than 28 are as follows: 19 22 24 26 --> Median of these = (22+24)/2 = 23

Thus, E is the correct answer.
Non-Human User
User avatar
Joined: 09 Sep 2013
Posts: 13275
Re: If the median of a list of numbers is m, the first quartile  [#permalink]

Show Tags

New post 04 Jun 2019, 09:56
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
GMAT Club Bot
Re: If the median of a list of numbers is m, the first quartile   [#permalink] 04 Jun 2019, 09:56
Display posts from previous: Sort by

If the median of a list of numbers is m, the first quartile

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne