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In a demographic study, the population and total income ...

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by II » Thu Aug 21, 2008 2:03 pm
Please find attached the question.

I am more interested in the various ways people tackled/approached this question instead of the final answer.

Thanks.
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Source: — Data Sufficiency |

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by Ian Stewart » Thu Aug 21, 2008 2:43 pm
I've seen this question before on this forum, and I've always thought it was a bit of a ridiculous question. We have information about estimates of income and population, but are the estimates accurate? We have no idea. I can't imagine seeing a real GMAT question worded in this way- instead, it would more likely say:

1) The population is greater than...
2) The total income is greater than...

Still, the answer is E regardless of the wording- you would need the upper limit on the population and the lower limit on total income to get the minimum possible per capita income (per capita income = total income/population).

Anyway, I'm curious about the source of the question.
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by II » Thu Aug 21, 2008 11:40 pm
thanks for the input Ian.

This question is actually written by GMAC. It comes from the GMATFocus Quant Diagnostic test which comes from GMAC. (www.gmatfocus.com).
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by Ian Stewart » Fri Aug 22, 2008 5:09 am
II wrote: This question is actually written by GMAC. It comes from the GMATFocus Quant Diagnostic test which comes from GMAC. (www.gmatfocus.com).
Thanks, II. I haven't yet encountered the question in GMATFocus. A strange question!
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