A Bloomberg 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
question 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 Domestic International
First Class. 26. 22
Business Class. 97 129
Economy Class 511. 134
Compute the value of the 2 test
statistic (to 2 decimals).
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