P-value and mean fare to fly

Reference no: EM1398165

For a recent year, 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
$281

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

Reference no: EM1398165

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