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# Set X: {-27, -20, -13, -6, 1, 8, 15} Set Y: {-23, -19, -15,

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Senior Manager
Joined: 20 May 2014
Posts: 282
Followers: 14

Kudos [?]: 49 [0], given: 220

Set X: {-27, -20, -13, -6, 1, 8, 15} Set Y: {-23, -19, -15, [#permalink]  16 Oct 2017, 08:33
00:00

Question Stats:

100% (01:26) correct 0% (00:00) wrong based on 1 sessions
Set X: {-27, -20, -13, -6, 1, 8, 15}

Set Y: {-23, -19, -15, -11, -7, -3, 1, 5, 9, 13}

 Quantity A Quantity B Mean of set X Mean of set Y

A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given

Kudos for correct solution.
[Reveal] Spoiler: OA
Director
Joined: 03 Sep 2017
Posts: 521
Followers: 1

Kudos [?]: 327 [0], given: 66

Re: Set X: {-27, -20, -13, -6, 1, 8, 15} Set Y: {-23, -19, -15, [#permalink]  16 Oct 2017, 09:25
Computing the means we get quantity A equal to $$\frac{-27-20-13-6+1+8+15}{7} = -6$$ and quantity B equal to $$\frac{-23-19-15-11-7-3+1+5+9+13}{10} = -5$$.

Then, quantity B is greater!
Re: Set X: {-27, -20, -13, -6, 1, 8, 15} Set Y: {-23, -19, -15,   [#permalink] 16 Oct 2017, 09:25
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# Set X: {-27, -20, -13, -6, 1, 8, 15} Set Y: {-23, -19, -15,

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