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2. A concierge is interested in how long it takes to bring passengers to the airport and then return to the hotel. The round-trip travel

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2. A concierge is interested in how long it takes to bring passengers to the airport and then return to the hotel. The round-trip travel times for six taxi drivers were 45, 30, 42, 45, 41, and 43 minutes. a. Compute the mean, median, and mode. (9 pts) b. Compute the SS, variance and standard deviation. (9 pts)

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