Airport officials wished to check the alertness of their security officers over the two busiest weeks of the summer. During this period, they sent out 50 undercover staff carrying suspicious items of hand luggage. Five of them were stopped at the entrance to the airport. Six made it into the airport, but were stopped at check-in. Thirteen more got into the airport and through check-in, only to be stopped at the hand-luggage inspection point. Two passed the airport entrance, check-in, and hand-luggage inspection, but were stopped when presenting their boarding cards at the gate. Four people made it past every one of these stages, only to be stopped when boarding the plane. Twenty of the undercover staff were not detected at all.
a. Categorize the data and calculate the median category. b. Is the median a good measure of central tendency in this case? Explain your answer. If you think it is not, suggest an alternative and explain why
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