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The average (arithmetic mean) of a list of 8 numbers as a percent of t
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27 Oct 2023, 02:18
27 Oct 2023, 02:18
Expert Reply
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Question Stats:
66% (01:03) correct
33% (01:36) wrong based on 21 sessions
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Quantity A |
Quantity B |
The average [arithmetic mean] of a list of 8 numbers as a percent of the sum of the numbers |
12.5% |
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.
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
Re: The average (arithmetic mean) of a list of 8 numbers as a percent of t
[#permalink]
08 Dec 2023, 15:48
08 Dec 2023, 15:48
Expert Reply
Re: The average (arithmetic mean) of a list of 8 numbers as a percent of t
[#permalink]
29 Jan 2024, 20:10
29 Jan 2024, 20:10
1
Case 1:
{1, 1, 1, 1, 1, 1, 1, 1}
Avg = 1
Avg as a percent of the sum---> (1/8)(100) = 12.5%
QA = QB
Case 2:
{1, 2, 3, 4, 5, 6, 7, 8}
Avg = 4.5
QA = QB
Avg as a percent of the sum---> (4.5/36)(100) = 12.5%
Safe to say that it's Answer Choice C
{1, 1, 1, 1, 1, 1, 1, 1}
Avg = 1
Avg as a percent of the sum---> (1/8)(100) = 12.5%
QA = QB
Case 2:
{1, 2, 3, 4, 5, 6, 7, 8}
Avg = 4.5
QA = QB
Avg as a percent of the sum---> (4.5/36)(100) = 12.5%
Safe to say that it's Answer Choice C
