For a recent year, the mean fare to fly from Charlotte, North Carolina, to Chicago, Illinois, on a discount ticket was $267. A random sample of 13 round-trip discount fares on this route last month shows:
$321 $286 $290 $330 $310 $250 $270 $280 $299 $265 $291 $275 $281
1. What is the decision rule? (Round your answer to 3 decimal places.)
2. Compute the value of the test statistic. (Round your answer to 3 decimal places.)
