Question

The hydrofoil ride from Hong Kong to Macao is one of the great boat rides in the world. The company that runs the shuttle is testing a new boat designed especially for the route. One-way transit times, in minutes, are given below for 10 test runs:
a. Construct the box plot and use the “1.5 × inter-quartile range” approach to identify any outliers.
b. Use the “3-standard-deviation” approach to identify any outliers. (The standard deviation of the transit time data is 3.0 minutes.)
c. Calculate the z-score for the value 69.0.


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  • CreatedJuly 16, 2015
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