Expedia Would Like to Test If the Average Round-Trip Airfare

question 47

Multiple Choice

Expedia would like to test if the average round-trip airfare between Philadelphia and Dublin is less than $1,200. Which of the following hypothesis tests should be performed?

• A) Left-tailed
• B) Right-tailed
• C) Two-tailed
• D) There is not enough information to answer.

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Definitions:

Experienced Abuse

Having been subjected to harmful or injurious treatment or behavior, often repeatedly or over a period of time.

Physical Abuse

The intentional use of force against someone, causing harm or injury.

Sexual Abuse

Any unwanted sexual activity, with perpetrators using force, making threats or taking advantage of victims not able to give consent.

Motivated Forgetting

A psychological theory suggesting individuals may unconsciously forget memories that cause stress or anxiety.