The average number of minutes Americans commute to work is 27.7 minutes (Sterling’s Best Places, April 13, 2012). The average commute time in minutes for 48 cities are as follows: Albuquerque 23.3 Jacksonville 26.2 Phoenix 28.3 Atlanta 28.3 Kansas City 23.4 Pittsburgh 25.0 Austin 24.6 Las vegas 28.4 Portland 26.4 Baltimore 32.1 Little Rock 20.1 Providence 23.6 Boston 31.7 Los Angeles 32.2 Richmond 23.4 Charlotte 25.8 Louisville 21.4 Sacramento 25.8 Chicago 38.1 Memphis 23.8 Salt Lake City 20.2 Cincinnati 24.9 Miami 30.7 San Antonio 26.1 Cleveland 26.8 Milwaukee 24.8 San Diego 24.8 Columbus 23.4 Minneapolis 23.6 San Francisco 32.6 Dallas 28.5 Nashville 25.3 San Jose 28.5 Denver 28.1 New Orleans 31.7 Seattle 27.3 Detroit 29.3 New York 43.8 St. Louis 26.8 el Paso 24.4 Oklahoma City 22.0 Tucson 24.0 Fresno 23.0 Orlando 27.1 Tulsa 20.1 indianapolis 24.8 Philadelphia 34.2 Washington, D.C. 32.8 a. What is the mean commute time for these 48 cities? b. Compute the third quartile
The average number of minutes Americans commute to work is 27.7 minutes (Sterling’s Best
Places, April 13, 2012). The average commute time in minutes for 48 cities are as follows:
Albuquerque 23.3 Jacksonville 26.2 Phoenix 28.3
Atlanta 28.3 Kansas City 23.4 Pittsburgh 25.0
Austin 24.6 Las vegas 28.4 Portland 26.4
Baltimore 32.1 Little Rock 20.1 Providence 23.6
Boston 31.7 Los Angeles 32.2 Richmond 23.4
Charlotte 25.8 Louisville 21.4 Sacramento 25.8
Chicago 38.1 Memphis 23.8 Salt Lake City 20.2
Cincinnati 24.9 Miami 30.7 San Antonio 26.1
Cleveland 26.8 Milwaukee 24.8 San Diego 24.8
Columbus 23.4 Minneapolis 23.6 San Francisco 32.6
Dallas 28.5 Nashville 25.3 San Jose 28.5
Denver 28.1 New Orleans 31.7 Seattle 27.3
Detroit 29.3 New York 43.8 St. Louis 26.8
el Paso 24.4 Oklahoma City 22.0 Tucson 24.0
Fresno 23.0 Orlando 27.1 Tulsa 20.1
indianapolis 24.8 Philadelphia 34.2 Washington, D.C. 32.8
a. What is the
b. Compute the third
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