20. The data below shows the number of domestic flight passengers (in millions) in 2018 for each of the top ten U.S. carriers. Remember to label your answers to parts a-d as millions. Southwest Delta 159.0 126.5 American United SkyWest JetBlue 85.9 37.4 34.0 119.5 Alaska Spirit Frontier Republic 17.6 31.5 26.3 18.7 a) What was the mean number of passengers per carrier? b) What was the median number of passengers? c) What is the mode for this data set? d) What is the midrange for this data set?

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