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The standard deviation of

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Carcass
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The standard deviation of [#permalink] New post   13 Jan 2021, 06:01
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Quantity A
Quantity B
The standard deviation of 4 different integers, each of which is between 0 and 7
The standard deviation of 4 different integers, each of which is between 7 and 14



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.

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D
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GreenlightTestPrep
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Re: The standard deviation of [#permalink] New post   13 Jan 2021, 07:37
Carcass wrote:
Quantity A
Quantity B
The standard deviation of 4 different integers, each of which is between 0 and 7
The standard deviation of 4 different integers, each of which is between 7 and 14



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 the right answer and explanation


Let's examine two different cases...

case ii:
Quantity A: The standard deviation of {1,2,5,6}
Quantity B: The standard deviation of {8,9,10,11}
In this case, Quantity A is greater

case i:
Quantity A: The standard deviation of {1,2,3,4}
Quantity B: The standard deviation of {8,9,12,13}
In this case, Quantity B is greater

Answer: D
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Re: The standard deviation of [#permalink] New post   26 Apr 2022, 09:00
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: The standard deviation of [#permalink]
26 Apr 2022, 09:00
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