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a. The histogram at the top of Figure 15.22 shows thedistribution of annual household incomes in SwankCounty. Without calculating the median or averageannual household income in Swank County, make aneducated guess about which one is greater. Describeyour thinking.
Figure 15.22 Annual household Incomes in Swankand Middle Counties.
b. Determine the approximate values of the median andaverage annual household incomes in Swank Countyfrom the histogram at the top of Figure 15.22. Whichis greater, the average or the median? Compare with part(a).
c. The histogram at the bottom of Figure 15.22 shows the distribution of annual household incomes in Middle County. Without calculating the median or average annual household income in Middle County, make an educated guess about which one is greater. Describe your thinking.
d. Determine the approximate values of the median and average annual household income in Middle County from the histogram at the bottom of Figure 15.22. Which is greater, the average or the median?
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