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C = 3, 6, 11, 12, 10, 18, x The mean of set C is 9.
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17 Aug 2022, 11:20
17 Aug 2022, 11:20
Expert Reply
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Question Stats:
100% (00:35) correct
0% (00:00) wrong based on 5 sessions
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C = 3, 6, 11, 12, 10, 18, x
The mean of set C is 9.
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
The mean of set C is 9.
Quantity A |
Quantity B |
8 |
x |
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: C = 3, 6, 11, 12, 10, 18, x The mean of set C is 9.
[#permalink]
20 Aug 2022, 04:35
20 Aug 2022, 04:35
Expert Reply
OE
Quote:
Since the mean of set C is 9 and the set has 7 elements, the sum of the elements in the set must be (9)(7) = 63. The total of the given elements is 3 + 6 + 11 + 12 + 10 + 18 = 60. Therefore, x must equal the remaining value, namely, 63 − 60 = 3. 8 is greater than 3.
gmatclubot
Re: C = 3, 6, 11, 12, 10, 18, x The mean of set C is 9. [#permalink]
20 Aug 2022, 04:35
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