



Tools  Math 'Reasoning from Evidence' Ordering a Cab, Example #3
Testing a New Deodorant, Example #1 (solution)  Emergency 911!, Example #2 (solution) Ordering a Cab, Example #3 (solution)  Traffic Accidents, Example #4 (solution)
Malcolm Swan
Jim Ridgway
Sunshine cabs and Bluebird cabs are rival companies. Each claims that their cab company is better than the other.
Sarah has to take a cab to work each day. She wants to compare the two companies. Over several months Sarah orders each cab 20 times. She records how early or late they are when arriving to pick her up from her home. Her results are shown on the next page...
Click on this image to open a new window with a larger version of this image.
Ordering a Cab, Example #3 (solution)  Traffic Accidents, Example #4 (solution)

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