The following table lists the average one-way commuting times (in minutes) from home to work for 30 metropolitan areas around the world with more than 1 million residents (urbandemographics. blogspot.com).

a. Prepare a frequency distribution table for these data using the less-than method to write classes. Use 22 minutes as the lower boundary of the first class and 6 minutes as the class width.
b. Calculate the relative frequencies and percentages for all classes.

c. Draw a histogram for the frequency distribution.
d. Make the cumulative frequency, cumulative relative frequency, and cumulative percentages distributions.

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Average Commute Length (minutes) Average Commute Length City City (minutes) 33.7 Barcelona 24.2 Paris Belém 31.5 Paulo 42.8 Porto Alegre Belo Horizonte 34.4 27.7 Berlin 31.6 Recife 34.9 42.6 Boston 28.9 Rio de Janeiro Brasilia - DF 34.8 Salvador 33.9 Chicago 30.7 San Francisco 28.7 Curitiba Santiago 27.0 32.1 Seattle Fortaleza 31.7 26.9 Shanghai London 37.0 50.4 Los Angeles 35.0 28.1 Stockholm Madrid 33.0 Sydney 34.0 Milan 26.7 Tokyo 34.5 Montréal 31.0 33.0 Toronto New York 34.6 Vancouver 30.0