Question: According to the U S Army Corps of Engineers the top

According to the U.S. Army Corps of Engineers, the top 20 U.S. ports, ranked by total tonnage (in million tons), were as follows.
Port .............. Total Tonnage
South Louisiana, LA ....... 229.0
Houston, TX .......... 216.1
New York, NY and NJ ....... 157.2
Long Beach, CA ......... 85.9
Beaumont, TX ......... 81.4
Corpus Christi, TX ......... 81.1
Huntington, WV, KY, and OH .... 76.5
New Orleans, LA ......... 76.0
Los Angeles, CA ........ 65.5
Mobile, AL .......... 64.5
Lake Charles, LA ......... 64.2
Plaquemines, LA ........ 58.5
Texas City, TX .......... 56.8
Baton Rouge, LA ......... 54.6
Tampa, FL ........... 46.9
Duluth-Superior, MN and WI .... 46.5
Baltimore, MD ......... 41.3
Norfolk Harbor, VA ........ 39.7
Pittsburgh, PA ........... 38.1
Paulsboro, NJ ......... 38.0

a. Construct a box-and-whisker plot for these data.
b. Discuss the shape of the distribution from the plot.
c. Are there outliers?
d. What are they and why do you think they are outliers?


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  • CreatedFebruary 19, 2015
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