. When PricewaterhouseCoopers Saratoga released its 2005/2006 Human Capital Index Report it indicated that the average hiring cost for an American company to fill a job vacancy in 2004 was $3,270....



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When PricewaterhouseCoopers Saratoga released its 2005/2006 Human Capital Index Report it indicated that the average hiring cost for an American company to fill a job vacancy in 2004 was $3,270. Sample data for recent job hires is in a file entitled
Hired.


a. Calculate the variance and standard deviation for the sample data.


b. Construct a box and whisker plot. Does this plot indicate that extreme values (outliers) may be inflating the measures of spread calculated in part a?


c. Suggest and calculate a measure of spread that is not affected by outliers.



May 13, 2022
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