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Question (1) What are travelers' technologies of choice? Tablets ac- count for a growing share of the multiuse device travelers are using. An observational study
Question (1) What are travelers' technologies of choice? Tablets ac- count for a growing share of the multiuse device travelers are using. An observational study of passengers on air, bus, and train travel found that 8.4% of airline passengers, 5.9% of Amtrak passengers, 4.9% of commuter train passengers, and 3.7% of curb- side bus passengers were observed using a tablet at some point during their travel. Suppose these results were based on 500 passengers in each of the four transportation modes: airline, Amtrak train, commuter train, and curbside bus. a. Based on the given information, complete the following observed frequencies. Observed Frequencies Transportation Mode Use of Tablet Air Amtrak Commuter Bus Total Yes No Total 500 500 500 500 2000 b. At the 0.05 level of significance, is there evidence of a difference among the transportation modes with respect to use of tablets? c. If appropriate, use the Marascuile procedure and a = 0.05 to determine which transportation modes differ. *Please show the calculation steps completely. * Please interpret the final decision as discussed in slides
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