Refer to the sanitation levels of cruise ships, Exercise 2.19, saved in the SHIPSANIT file.

a. Give a measure of relative standing for the Nautilus Explorer’s score of 74. Interpret the result.

b. Give a measure of relative standing for the Rotterdam’s score of 86. Interpret the result.

Data from Exercise 2.19

To minimize the potential for gastrointestinal disease outbreaks, all passenger cruise ships arriving at U.S. ports are subject to unannounced sanitation inspections. Ships are rated on a 100- point scale by the Centers for Disease Control and Prevention. A score of 86 or higher indicates that the ship is providing an accepted standard of sanitation. The sanitation scores for 186 cruise ships are saved in the SHIPSANIT file.

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SHIPSANIT (selected observations) Ship Name Sanitation Score Adonia 96 Adventure of the Seas 93 AIDAAura 86 AID Abella 95 AID Aluna 93 Voyager of the Seas 96 Vspbeta 100 Westerdam 98 Zaaddam 100 Zuiderdam 96