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D = {13, 22, 17, 24, x} E = {13, 22, 17, 24, y} x > 0, y > 0
[#permalink]
24 Aug 2022, 06:34
24 Aug 2022, 06:34
Expert Reply
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Question Stats:
92% (00:32) correct
7% (01:40) wrong based on 13 sessions
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D = {13, 22, 17, 24, x}
E = {13, 22, 17, 24, y}
x > 0, y > 0
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
E = {13, 22, 17, 24, y}
x > 0, y > 0
Quantity A |
Quantity B |
the mean of set D |
the mean of set E |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: D = {13, 22, 17, 24, x} E = {13, 22, 17, 24, y} x > 0, y > 0
[#permalink]
24 Aug 2022, 07:03
24 Aug 2022, 07:03
x and y can be virtually anything.
Assume, x=y , that means Mean (A) = Mean (B)
Now Assume x = 10, y=15
Let S be the sum before x in set A and before y in set B
Mean (A) = Sum/ n = (S +x)/5
Mean (B) = Sum/ n = (S +y)/5
Here since x <y
Mean (x)< Mean (y)
Since two possible values are there; Answer is D
Assume, x=y , that means Mean (A) = Mean (B)
Now Assume x = 10, y=15
Let S be the sum before x in set A and before y in set B
Mean (A) = Sum/ n = (S +x)/5
Mean (B) = Sum/ n = (S +y)/5
Here since x <y
Mean (x)< Mean (y)
Since two possible values are there; Answer is D
gmatclubot
Re: D = {13, 22, 17, 24, x} E = {13, 22, 17, 24, y} x > 0, y > 0 [#permalink]
24 Aug 2022, 07:03
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