A magazine wants to classify airports based on traveller ratings. A rating scale of 0 to 10 is used. Airports with a population mean of 7 or more will be designated as a superior airport. The magazine surveys a sample of 60 passengers at each airport. The sample for Heathrow airport in London gives you a mean of 7.25 and a standard deviation of 1.052.

(i) Should Heathrow be designated as a superior airport based on a level of significance of = 0.05?

(ii) Should Heathrow be designated as a superior airport?