Amie Jackson, a Manager at Sigma Travel Services, Makes Every

question 37

Multiple Choice

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 a.m. to 10 a.m. and evening 7 p.m. to 9 p.m., for the analysis. Assume that wait times are normally distributed. At the 10% significance level, which of the following is the correct conclusion?

• A) Do not reject H₀. We cannot conclude that the variance of wait time during morning peak hours differs from that during the evening peak hours.
• B) Reject H₀. We conclude that the variance of wait time during morning peak hours differs from that during the evening peak hours.
• C) Do not reject H₀. We conclude that the variance of wait time during morning peak hours differs from that during the evening peak hours.
• D) Reject H₀. We cannot conclude that the variance of wait time during morning peak hours differs from that during the evening peak hours.

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Definitions:

Economic Recession

A period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters.

Two-parent Families

Households where children live with both of their biological or adoptive parents, offering a family structure often associated with various social and economic advantages.

Single-parent Families

Households led by only one parent, who takes on the role of both caring for the children and providing for the family financially.

Latchkey Children

Children who return from school to an empty home because their parents or guardians are away at work and thus they carry keys to their homes.