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List I 1, 2, 3, 4, 5 List II 1, 2, 3, 4, 5 List III 2, 4, 6, 8, 1
[#permalink]
20 Jul 2023, 02:50
20 Jul 2023, 02:50
Expert Reply
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Question Stats:
71% (00:44) correct
28% (01:22) wrong based on 7 sessions
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List I –1, –2, –3, –4, –5
List II 1, 2, 3, 4, 5
List III 2, 4, 6, 8, 10
List IV 71, 71, 71, 71, 71
Which of the following relation is true for the standard deviations of the above lists?
A. IV < II < I < III
B. IV < I < II < III
C. IV < II < III = I
D. IV < I = II < III
E. III < II < I = IV
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List II 1, 2, 3, 4, 5
List III 2, 4, 6, 8, 10
List IV 71, 71, 71, 71, 71
Which of the following relation is true for the standard deviations of the above lists?
A. IV < II < I < III
B. IV < I < II < III
C. IV < II < III = I
D. IV < I = II < III
E. III < II < I = IV
Post A Detailed Correct Solution For The Above Questions And Get Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) GRE - Quant Daily Topic-wise Challenge
\(\Longrightarrow\) GRE NUMBER PROPERTIES
_________________
Re: List I 1, 2, 3, 4, 5 List II 1, 2, 3, 4, 5 List III 2, 4, 6, 8, 1
[#permalink]
20 Jul 2023, 12:12
20 Jul 2023, 12:12
1
we can see that in 4 the sd is 0 as all the numbers are same. Then if we see 1 and 2 they actually have the same sd as they just differ in sign. Only one option where 4 is the least and 1 and 2 are equal i.e D
gmatclubot
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