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List L consists of 7 numbers. The range of the numbers in li

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List L consists of 7 numbers. The range of the numbers in li [#permalink] New post 06 Dec 2017, 02:30
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List L consists of 7 numbers. The range of the numbers in list L is 0.

Quantity A
Quantity B
The average (arithmetic mean) of the numbers in list L.
zero


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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Re: List L consists of 7 numbers. The range of the numbers in li [#permalink] New post 06 Dec 2017, 06:54
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Carcass wrote:
List L consists of 7 numbers. The range of the numbers in list L is 0.

Quantity A
Quantity B
The average (arithmetic mean) of the numbers in list L.
zero


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.

[Reveal] Spoiler: OA
OA in 24h



Since no information is given about the numbers, so it can be either positive or negative

First considering positive numbers

Let there be 4,4,4,4,4,4,4 so the range is 0
and mean = 4. Hence A > B

Now let there be -4,-4,-4,-4,-4,-4,-4, so the range is 0
and mean = -4. Hence B > A

Therefore option D
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Re: List L consists of 7 numbers. The range of the numbers in li   [#permalink] 06 Dec 2017, 06:54
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List L consists of 7 numbers. The range of the numbers in li

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