8. American Airlines uses McDonnell Douglas MD-80 jets for i ts flights from Dal

Question

8. American Airlines uses McDonnell Douglas MD-80 jets for i ts flights from Dallas/Fort Worth International Airport (DFW) to Baltimore-Washington International Thurgood Marshall Air- port (BWI). Each MD-80 used for this route can scat 136 passengers. Suppose that over a period of one month, American Airlines counts the number of occupied seats on each of six daily nonstop flights from DFW to BWI, for a total of 180 flights. Which of the following can bo usod to summarize the variable "number of occupiod scats"? a. A pie chart only b. A histogram only c. A boxplot only d. A bar chart only Both a histogram and a boxplot

Explanation / Answer

ans) e) Both a histogram and a boxplot

Since we have 180 flights data, they can be used to create a grouped frequency table for which best representation technique is histogram

Also boxplot can be used in this case to check the positions of median or if there is any outlier present.

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