The Bureau of Transportation Statistics conducts a monthly household survey. In the October survey, one of the

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The Bureau of Transportation Statistics conducts a monthly household survey. In the October survey, one of the questions was, “For your most recent airline fight originating in the US, what was the total time you waited for security screening?” A summary of the 344 responses is provided in the table below.

Count………………………...                       344

Mean…………………………           16.227 min

Std dev………………………             22.72 min

Minimum…………………….             0 min

25th percentile………………              5 min

Median………………………             10 min

75th percentile ………………              20 min

Maximum……………………             300 min

Draw the box plot.

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Understanding Business Statistics

ISBN: 978-1118145258

1st edition

Authors: Stacey Jones, Tim Bergquist, Ned Freed

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