Adam also believes that airlines systematically increase the price of a roundtrip fare from Sydney to Paris on Thursdays. He collects a sample of data by checking the websites of airlines for flights that depart on a Tuesday (Pop. 1) and on a Thursday (Pop. 2). Test his claim at the 5% level of significance. Use worksheet C of the Excel Exam data file to answer this question.

A. The hypothesis to be tested is

B. The decision rule at the 5% level of significance is

C. The p-value for this test is

D. The calculated test statistic is

E. The conclusion to the hypothesis test is

Excel worksheet C:

Airline	Tuesday	Thursday
Qantas	1839	1838
Air France	1841	1757
Virgin	1740	1842
Emirates	1836	1845
Etihad	1839	1741
Lufthansa	1736	1842
KLM	1845	1748
Singapore Airlines	1838	1841
Thai Airways	1735	1738
Air China	1845	1747