October 10, 2015

Homework Help: math stats help

Posted by Anonymous on Sunday, February 6, 2011 at 9:52pm.

The Chicago Transit Authority thinks that excessive speed on its buses increases maintenance cost. It believes that a reasonable median time from OíHare Airport to John Hancock Center is about 30 minutes. From the following sample data (in minutes) can you help them determine whether the buses have been driven at excessive speeds? If you conclude from these data that they have, what explanation might you get from bus drivers?
17 32 21 22
29 19 29 34
52 29 43 39
44 34 30 41

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