SCENARIO 9-9 The President of a University Claimed That the Entering Class

question 66

Multiple Choice

SCENARIO 9-9
The president of a university claimed that the entering class this year appeared to be larger than the entering class from previous years, but their mean SAT score is lower than previous years.He took a sample of 20 of this year's entering students and found that their mean SAT score is 1,501 with a standard deviation of 53.The university's record indicates that the mean SAT score for entering students from previous years is 1,520.He wants to find out if his claim is supported by the evidence at a 5% level of significance.
-Referring to Scenario 9-9, the population the president is interested in is:

• A)all entering students to all universities in the U.S this year.
• B)all entering students to his university this year.
• C)all SAT test centers in the U.S.this year.
• D)the mean SAT scores of all students entering his university this year .

---

Definitions:

Semiconductor

A material with electrical conductivity between that of a conductor and an insulator, used in most electronic devices.

Bering Strait

A narrow body of water between Russia and Alaska, serving as the maritime boundary between the Asia and North America continents.

Tenochtitlan

The capital city of the Aztec empire, founded in 1325, known for its complex social, military, and religious structures; located in what is now Mexico City.

Native Americans

The indigenous peoples of the United States, including American Indians, Alaska Natives, and Native Hawaiians.