Model skewing - This article shows the extraordinary...

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This article shows the extraordinary effects of the mining boom in Australia and how the natural resource sector is raising the wages of many people living in small towns. Additionally, the author predicts that this trend will continue. As a conclusion, the author includes twenty towns that saw the least amount of economic growth. Surprisingly, most of those towns still saw more than a ten percent salary increase. The main graphical display in this article is the histogram showing average income. The shape is unimodal and right-skewed. There is a gap between $80,000 and $85,000. Because not all the data is given, the interquartile range cannot be found; however, it is
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Unformatted text preview: clear that there is an outlier at $109,000. The mode is between $32,500 and $35,000. The maximum income is $109,491 while the minimum is $26,726 resulting in a range of $82,765. The other main data given in the article is the percent change of average income from 2004 to 2008. This data is only displayed in a chart rather than a graph. However, a histogram (displayed on the next page) can be created using the chart. The shape of this display is unimodal and right-skewed. There is an outlier at 99. 5% increase in salary, since the upper limit is 65. 2% (48.25 + 1.5 * 11.3)....
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  • Fall '09
  • Greer
  • AP Statistics, Interquartile range, natural resource sector, percent salary increase

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