range question

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kaf: Senior | Next Rank: 100 Posts; Posts: 53; Joined: Mon Feb 09, 2009 12:18 am; Thanked: 1 times

by kaf » Sun Apr 12, 2009 3:52 pm

Hi can someone please help explain the solution to this

The number of years of service of the eight employees in a production department are 15, 10, 9, 17, 6, 4, 14 and 16. What is the range in the number of years of service of the eight employees?

A. 10
B. 11
C. 12
D. 13
E. 14

Thanks

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Source: Beat The GMAT — Problem Solving | Sun Apr 12, 2009 3:52 pm

DeepakR: Master | Next Rank: 500 Posts; Posts: 158; Joined: Tue Sep 30, 2008 8:47 amFollowed by: 1 member; Thanked: 23 times; GMAT Score:660

by DeepakR » Sun Apr 12, 2009 4:15 pm

Range = Maximum value - Minimum value = 17 - 4 = 13
Please check if this is correct D.) 13

-Deepak

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moutar: Senior | Next Rank: 100 Posts; Posts: 92; Joined: Wed Mar 25, 2009 12:13 pm; Thanked: 10 times

by moutar » Sun Apr 12, 2009 4:16 pm

Range = biggest - smallest
= 17 - 4
= 13

D.

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