accidents per driver

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 am; Location: India; Thanked: 267 times; Followed by:80 members; GMAT Score:760

accidents per driver

by sanju09 » Fri Jul 23, 2010 4:25 am

The table shows the results of a poll which asked drivers how many accidents they had had over the previous 5 years. What is the median number of accidents per driver?
A. 0.5
B. 1
C. 1.5
D. 2
E. 4

[spoiler]Source: majortests.com[/spoiler]

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Source: Beat The GMAT — Problem Solving | Fri Jul 23, 2010 4:25 am

kvcpk: Legendary Member; Posts: 1893; Joined: Sun May 30, 2010 11:48 pm; Thanked: 215 times; Followed by:7 members

by kvcpk » Fri Jul 23, 2010 4:32 am

accidents per driver are:

0/17,1/13,2/21,3/4,4/2,5/2,6/1
=0,1/13,2/21,3/4,2,2.5,6
this is already in ascending order.

Hence median is 3/4 = 0.75

Am i Missing something???

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outreach: Legendary Member; Posts: 748; Joined: Sun Jan 31, 2010 7:54 am; Thanked: 46 times; Followed by:3 members

by outreach » Fri Jul 23, 2010 10:54 pm

total no of drivers = 60
median will be avg of accident of 30 and 31 driver..
(1+2)/2=1.5
C

kvcpk wrote:accidents per driver are:

0/17,1/13,2/21,3/4,4/2,5/2,6/1
=0,1/13,2/21,3/4,2,2.5,6
this is already in ascending order.

Hence median is 3/4 = 0.75

Am i Missing something???

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