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The percentage of households with an annual income of more

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Director
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The percentage of households with an annual income of more [#permalink]

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New post 17 Feb 2009, 18:12
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The percentage of households with an annual income of more than $40,000 is higher in
Merton county than in any other county. However, the percentage of households with an
annual income of $60,000 or more is highest in Sommer county.

If the statements above are true, which of the following can properly be concluded on the
basis of them?

A. No household in Merton county has an annual income of $60,000 or more.
B. Some households in Merton county have an annual income between $40,000 and
$60,000.
C. The number of households with an annual income of more than $40,000 is greater
in Merton than in Sommer county.
D. Average annual household income is higher in Sommer than in Merton county.
E. The percentage of households with an annual income of $80,000 is higher in
Sommer than in Merton county.

Please explain....

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Re: CR: County [#permalink]

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New post 17 Feb 2009, 19:45
11-p557325 [Recent discussion]

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Re: CR: County [#permalink]

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New post 08 May 2009, 17:41
Yes B

The percentage of households with an annual income of more than $40,000 is higher in
Merton county than in any other county. However, the percentage of households with an
annual income of $60,000 or more is highest in Sommer county.

If the statements above are true, which of the following can properly be concluded on the
basis of them?

A. No household in Merton county has an annual income of $60,000 or more --> no info
B. Some households in Merton county have an annual income between $40,000 and
$60,000 -->the best. Just simply figure out in the paper then you can see the answer
C. The number of households with an annual income of more than $40,000 is greater
in Merton than in Sommer county -->number of households is not mentioned, this about percentage of annual income of specific groups
D. Average annual household income is higher in Sommer than in Merton county -->can't conclude anything about average household income of 2 counties
E. The percentage of households with an annual income of $80,000 is higher in
Sommer than in Merton county -->no info about income >=80k

Please explain....[/quote]

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Location: Austin
Re: CR: County [#permalink]

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New post 09 May 2009, 05:44
Clear B.

B has to be true for the argument to be valid.

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Schools: Stanford, Harvard, Berkeley, INSEAD
Re: CR: County [#permalink]

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New post 14 May 2009, 21:33
Tricky.

Here is my solution.

The proportion of $40K+ households is highest in one county, but another county has a higher proportion of $60K & up.

If the county with the $40K+ households had none between 40-60k, that would imply each of those
households had a income higher than $60K, which would contradict the claim that another county
had the highest ratio of $60K+ houses.

Final Answer, B.
_________________

Hades

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Re: CR: County   [#permalink] 14 May 2009, 21:33
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