Sample of round-trip discount fares

Reference no: EM1396239

In the year 2006 the mean fare to fly from Charlotte, North Carolina, to Seattle, Washington, on a discount ticket was $267. A random sample of round-trip discount fares on this route last month gives:

$321 $286 $290 $330 $310 $250 $270 $280 $299 $265 $291 $275 $28

At the .01 significance level can we conclude that the mean fare has increased? What is the p-value?

Reference no: EM1396239

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