=+d. The approximate mean and standard deviation for the travel time distribution are 27 min and 24

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=+d. The approximate mean and standard deviation for the travel time distribution are 27 min and 24 min, respectively. Based on this mean and standard deviation and the fact that travel time cannot be negative, explain why the travel time distribution could not be well approximated by a normal curve.

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Statistics The Exploration And Analysis Of Data

ISBN: 9781111804138

6th Edition

Authors: John M Scheb, Jay Devore, Roxy Peck

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