The output below depicts data for projected elderly population change in Midwestern and Western states between 2008 and 2015 from Table 5.4.

a. Compare the range for the western states to that of the Midwest. Which region had a greater range?
b. Examine the IQR for each region. Which is greater?
c. Use the statistics to characterize the variability in population increase of the elderly in the two regions. Does one region have more variability than another? If yes, why do you think that is?

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Descriptves Statistic 3.600 2.7831 9.4 19.2 9.8 3.7 28.277 10.6948 13.8 50.0 36.2 17.3 Population Change Midwest Mean Std. Deviation Minimum Maximum Range Interquartile Range Mean Std. Deviation Minimum Maimum Range Interquartile Range West