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A normal distribution has a mean of 50. The value 60 is two standard d
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26 Oct 2021, 01:19
26 Oct 2021, 01:19
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A normal distribution has a mean of 50. The value 60 is two standard deviations above the mean.
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.
Quantity A |
Quantity B |
The SD of the distribution |
10 |
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: A normal distribution has a mean of 50. The value 60 is two standard d
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26 Oct 2021, 06:29
26 Oct 2021, 06:29
1
Carcass wrote:
A normal distribution has a mean of 50. The value 60 is two standard deviations above the mean.
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.
Quantity A |
Quantity B |
The SD of the distribution |
10 |
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.
Given: 60 is two standard deviations above the mean.
Since 60 is 10 greater than the mean of 50, we can say that 10 = 2 standard deviations
This mean standard deviation = 5
We have:
QUANTITY A: 5
QUANTITY B: 10
Answer: B
gmatclubot
Re: A normal distribution has a mean of 50. The value 60 is two standard d [#permalink]
26 Oct 2021, 06:29
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