A Mann-Whitney U Test Was Performed to Determine If There

question 49

Multiple Choice

A Mann-Whitney U test was performed to determine if there were differences in the average compute time for Dallas residents versus Atlanta residents.The travel time for 22 commuters in Dallas was compared to the travel time for 28 commuters in Atlanta.The U statistic was calculated to be 58.0 based on the sample sizes of 22 and 28.What is the z value for this test?

• A)51.17
• B)308
• C)0.117
• D)-4.89
• E)-2.44

---

Definitions:

Peers

Individuals who are of similar age, status, or interest, often influencing social behavior and interpersonal relationships.

Involuntary Temporary

Pertains to a situation or condition that is not chosen or desired by the individual and is expected to last for only a limited period.

Economic Autonomy

The ability for an individual, group, or country to make independent economic decisions.

Technological Advances

Progress and innovations in technology that enhance capabilities and functionalities.