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题库 / GMATLA-CR-13
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?
No household in Merton county has an annual income of $60,000 or more.
Some households in Merton county have an annual income between $40,000 and $60,000.
The number of households with an annual income of more than $40,000 is greater in Merton than in Sommer county.
Average annual household income is higher in Sommer than in Merton county.
The percentage of households with an annual income of $80,000 is higher in Sommer than in Merton county.
D选项有些想当然了，比例高不一定代表平均数高，有可能区域贫富差距很大，所以平均水平还是M更高。
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