Question

Q Search this Exam Video A Bloombera BusinessWeek subscriber study asked, "In the past 12 months, when traveling for business, what type of airline ticket did you purchase most often?" A second qu asked if the type of airline ticket purchased most often was for domestic or international travel. Sample data obtained are shown in the following table, Type of Flight Type of Ticket Internistional Domestic First Class 26 21 Business Class 96 128 Economy Class 516 139 a. Using a .05 level of significance, is the type of ticket purchased independent of the type of flight? Use Table 12.4. Ho Select your answer H a Select your answer Compute the value of the X 2 test statistic (to 2 decimals). The p-value is ielect What is your conclusion? Select your answer b. Discuss any dependence that exists between the type of ticket and type of flight Select your answer

Answer 1

Saludan Gven Jhat Total Tyee al Tcke Enternaiamal Oomec Fixst cla 2 1 6 Busineyclas. 128 224 39 EConomy Clay 926 638 Tola 288 (2)0) aHee Yest have nd we ticke Puechased is dype at independent a Aype at chs HcHet Puechased is not independent tpe al cay. (o-E Efected values dnd dodal 26 2 32.38 25 b 926 (6) (as8) E 2 q26

92 6 o128 2 69.61 926 ( (288) 203, 7 926 obsenvahan 26 32.38 Su33 22.0s S16 4St.29 9.28 2.19 4.62 48.64 69.67 203. 39 Tola! lou 713 Omd omd OoS PValve O0000 eseet we So, he type qf Hchet Puchased not independent at tyfe al ght

pcteerred by Domesc economy clas is mast a the PCople vey fe pepple prelo St ela in inlenaional ght