Exhibit 11-5.Amie Jackson,a manager at Sigma travel services,makes every effort to ensure that customers attempting to make online reservations do not have to wait too long to complete the reservation process.The travel website is open for reservations 24 hours a day,and Amie regularly checks the website for the waiting time to maintain consistency in service.She uses the following independently drawn samples of wait time during two peak hours,morning 8 am to 10 am and evening 7 pm to 9 pm,for the analysis.Assume that wait times are normally distributed. 
Refer to Exhibit 11-5.State the null and the alternate hypotheses to determine if the variance of wait time during morning peak hours (population 1) differs from that during the evening peak hours (population 2) .
Definitions:
Monopsony Power
The market power held by a single buyer, allowing them to dictate prices to sellers due to a lack of competition.
Monopoly Power
The ability of a monopolist to significantly control market price and exclude competitors by owning a majority of the market share.
Demand Function
A mathematical relationship expressing the quantity of an item demanded at various prices.
Marginal Costs
The amount spent to produce a further unit of a good or service.
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