City planners believe that larger cities are populated by older residents. To investigate the relationship, data on popu

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City Planners Believe That Larger Cities Are Populated By Older Residents To Investigate The Relationship Data On Popu 1 (23.95 KiB) Viewed 115 times

City planners believe that larger cities are populated by older residents. To investigate the relationship, data on population and median age in 9 large U.S. cities were collected as below. (1) Compute the coefficient of rank correlation between population and median age. (2) At the 0.01 significance level, can we conclude the correlation is positive? (15 points) Population (in mil) Median Age 32.5 30.5 35.9 31.6 35.9 City Chicago Dallas Houston Los Angeles New York Philadelphia Phoenix San Antonio San Diego 3.83 1.23 2.15 3.85 8.21 1.45 1.51 1.30 1.26 34.2 30.7 31.7 36.0